199921800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 288

約数和(自身を含む): 714329280

約数和(自身を除く): 514407480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 25, 26, 30, 38, 39, 40, 50, 52, 57, 60, 65, 71, 75, 76, 78, 95, 100, 104, 114, 120, 130, 142, 150, 152, 156, 190, 195, 200, 213, 228, 247, 260, 284, 285, 300, 312, 325, 355, 361, 380, 390, 426, 456, 475, 494, 520, 568, 570, 600, 650, 710, 722, 741, 760, 780, 852, 923, 950, 975, 988, 1065, 1083, 1140, 1235, 1300, 1349, 1420, 1425, 1444, 1482, 1560, 1704, 1775, 1805, 1846, 1900, 1950, 1976, 2130, 2166, 2280, 2470, 2600, 2698, 2769, 2840, 2850, 2888, 2964, 3550, 3610, 3692, 3705, 3800, 3900, 4047, 4260, 4332, 4615, 4693, 4940, 5325, 5396, 5415, 5538, 5700, 5928, 6175, 6745, 7100, 7220, 7384, 7410, 7800, 8094, 8520, 8664, 9025, 9230, 9386, 9880, 10650, 10792, 10830, 11076, 11400, 12350, 13490, 13845, 14079, 14200, 14440, 14820, 16188, 17537, 18050, 18460, 18525, 18772, 20235, 21300, 21660, 22152, 23075, 23465, 24700, 25631, 26980, 27075, 27690, 28158, 29640, 32376, 33725, 35074, 36100, 36920, 37050, 37544, 40470, 42600, 43320, 46150, 46930, 49400, 51262, 52611, 53960, 54150, 55380, 56316, 67450, 69225, 70148, 70395, 72200, 74100, 76893, 80940, 87685, 92300, 93860, 101175, 102524, 105222, 108300, 110760, 112632, 117325, 128155, 134900, 138450, 140296, 140790, 148200, 153786, 161880, 175370, 184600, 187720, 202350, 205048, 210444, 216600, 234650, 256310, 263055, 269800, 276900, 281580, 307572, 333203, 350740, 351975, 384465, 404700, 420888, 438425, 469300, 512620, 526110, 553800, 563160, 615144, 640775, 666406, 701480, 703950, 768930, 809400, 876850, 938600, 999609, 1025240, 1052220, 1281550, 1315275, 1332812, 1407900, 1537860, 1666015, 1753700, 1922325, 1999218, 2104440, 2563100, 2630550, 2665624, 2815800, 3075720, 3332030, 3507400, 3844650, 3998436, 4998045, 5126200, 5261100, 6664060, 7689300, 7996872, 8330075, 9996090, 10522200, 13328120, 15378600, 16660150, 19992180, 24990225, 33320300, 39984360, 49980450, 66640600, 99960900, 199921800]

約数ペア:

[(1, 199921800), (2, 99960900), (3, 66640600), (4, 49980450), (5, 39984360), (6, 33320300), (8, 24990225), (10, 19992180), (12, 16660150), (13, 15378600), (15, 13328120), (19, 10522200), (20, 9996090), (24, 8330075), (25, 7996872), (26, 7689300), (30, 6664060), (38, 5261100), (39, 5126200), (40, 4998045), (50, 3998436), (52, 3844650), (57, 3507400), (60, 3332030), (65, 3075720), (71, 2815800), (75, 2665624), (76, 2630550), (78, 2563100), (95, 2104440), (100, 1999218), (104, 1922325), (114, 1753700), (120, 1666015), (130, 1537860), (142, 1407900), (150, 1332812), (152, 1315275), (156, 1281550), (190, 1052220), (195, 1025240), (200, 999609), (213, 938600), (228, 876850), (247, 809400), (260, 768930), (284, 703950), (285, 701480), (300, 666406), (312, 640775), (325, 615144), (355, 563160), (361, 553800), (380, 526110), (390, 512620), (426, 469300), (456, 438425), (475, 420888), (494, 404700), (520, 384465), (568, 351975), (570, 350740), (600, 333203), (650, 307572), (710, 281580), (722, 276900), (741, 269800), (760, 263055), (780, 256310), (852, 234650), (923, 216600), (950, 210444), (975, 205048), (988, 202350), (1065, 187720), (1083, 184600), (1140, 175370), (1235, 161880), (1300, 153786), (1349, 148200), (1420, 140790), (1425, 140296), (1444, 138450), (1482, 134900), (1560, 128155), (1704, 117325), (1775, 112632), (1805, 110760), (1846, 108300), (1900, 105222), (1950, 102524), (1976, 101175), (2130, 93860), (2166, 92300), (2280, 87685), (2470, 80940), (2600, 76893), (2698, 74100), (2769, 72200), (2840, 70395), (2850, 70148), (2888, 69225), (2964, 67450), (3550, 56316), (3610, 55380), (3692, 54150), (3705, 53960), (3800, 52611), (3900, 51262), (4047, 49400), (4260, 46930), (4332, 46150), (4615, 43320), (4693, 42600), (4940, 40470), (5325, 37544), (5396, 37050), (5415, 36920), (5538, 36100), (5700, 35074), (5928, 33725), (6175, 32376), (6745, 29640), (7100, 28158), (7220, 27690), (7384, 27075), (7410, 26980), (7800, 25631), (8094, 24700), (8520, 23465), (8664, 23075), (9025, 22152), (9230, 21660), (9386, 21300), (9880, 20235), (10650, 18772), (10792, 18525), (10830, 18460), (11076, 18050), (11400, 17537), (12350, 16188), (13490, 14820), (13845, 14440), (14079, 14200)]