19997948400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{5381}}^1$

素因数の和:5584

約数の個数: 240

約数和(自身を含む): 67857978240

約数和(自身を除く): 47860029840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 25, 30, 38, 40, 48, 50, 57, 60, 75, 76, 80, 95, 100, 114, 120, 150, 152, 163, 190, 200, 228, 240, 285, 300, 304, 326, 380, 400, 456, 475, 489, 570, 600, 652, 760, 815, 912, 950, 978, 1140, 1200, 1304, 1425, 1520, 1630, 1900, 1956, 2280, 2445, 2608, 2850, 3097, 3260, 3800, 3912, 4075, 4560, 4890, 5381, 5700, 6194, 6520, 7600, 7824, 8150, 9291, 9780, 10762, 11400, 12225, 12388, 13040, 15485, 16143, 16300, 18582, 19560, 21524, 22800, 24450, 24776, 26905, 30970, 32286, 32600, 37164, 39120, 43048, 46455, 48900, 49552, 53810, 61940, 64572, 65200, 74328, 77425, 80715, 86096, 92910, 97800, 102239, 107620, 123880, 129144, 134525, 148656, 154850, 161430, 185820, 195600, 204478, 215240, 232275, 247760, 258288, 269050, 306717, 309700, 322860, 371640, 403575, 408956, 430480, 464550, 511195, 538100, 613434, 619400, 645720, 743280, 807150, 817912, 877103, 929100, 1022390, 1076200, 1226868, 1238800, 1291440, 1533585, 1614300, 1635824, 1754206, 1858200, 2044780, 2152400, 2453736, 2555975, 2631309, 3067170, 3228600, 3508412, 3716400, 4089560, 4385515, 4907472, 5111950, 5262618, 6134340, 6457200, 7016824, 7667925, 8179120, 8771030, 10223900, 10525236, 12268680, 13156545, 14033648, 15335850, 16664957, 17542060, 20447800, 21050472, 21927575, 24537360, 26313090, 30671700, 33329914, 35084120, 40895600, 42100944, 43855150, 49994871, 52626180, 61343400, 65782725, 66659828, 70168240, 83324785, 87710300, 99989742, 105252360, 122686800, 131565450, 133319656, 166649570, 175420600, 199979484, 210504720, 249974355, 263130900, 266639312, 333299140, 350841200, 399958968, 416623925, 499948710, 526261800, 666598280, 799917936, 833247850, 999897420, 1052523600, 1249871775, 1333196560, 1666495700, 1999794840, 2499743550, 3332991400, 3999589680, 4999487100, 6665982800, 9998974200, 19997948400]

約数ペア:

[(1, 19997948400), (2, 9998974200), (3, 6665982800), (4, 4999487100), (5, 3999589680), (6, 3332991400), (8, 2499743550), (10, 1999794840), (12, 1666495700), (15, 1333196560), (16, 1249871775), (19, 1052523600), (20, 999897420), (24, 833247850), (25, 799917936), (30, 666598280), (38, 526261800), (40, 499948710), (48, 416623925), (50, 399958968), (57, 350841200), (60, 333299140), (75, 266639312), (76, 263130900), (80, 249974355), (95, 210504720), (100, 199979484), (114, 175420600), (120, 166649570), (150, 133319656), (152, 131565450), (163, 122686800), (190, 105252360), (200, 99989742), (228, 87710300), (240, 83324785), (285, 70168240), (300, 66659828), (304, 65782725), (326, 61343400), (380, 52626180), (400, 49994871), (456, 43855150), (475, 42100944), (489, 40895600), (570, 35084120), (600, 33329914), (652, 30671700), (760, 26313090), (815, 24537360), (912, 21927575), (950, 21050472), (978, 20447800), (1140, 17542060), (1200, 16664957), (1304, 15335850), (1425, 14033648), (1520, 13156545), (1630, 12268680), (1900, 10525236), (1956, 10223900), (2280, 8771030), (2445, 8179120), (2608, 7667925), (2850, 7016824), (3097, 6457200), (3260, 6134340), (3800, 5262618), (3912, 5111950), (4075, 4907472), (4560, 4385515), (4890, 4089560), (5381, 3716400), (5700, 3508412), (6194, 3228600), (6520, 3067170), (7600, 2631309), (7824, 2555975), (8150, 2453736), (9291, 2152400), (9780, 2044780), (10762, 1858200), (11400, 1754206), (12225, 1635824), (12388, 1614300), (13040, 1533585), (15485, 1291440), (16143, 1238800), (16300, 1226868), (18582, 1076200), (19560, 1022390), (21524, 929100), (22800, 877103), (24450, 817912), (24776, 807150), (26905, 743280), (30970, 645720), (32286, 619400), (32600, 613434), (37164, 538100), (39120, 511195), (43048, 464550), (46455, 430480), (48900, 408956), (49552, 403575), (53810, 371640), (61940, 322860), (64572, 309700), (65200, 306717), (74328, 269050), (77425, 258288), (80715, 247760), (86096, 232275), (92910, 215240), (97800, 204478), (102239, 195600), (107620, 185820), (123880, 161430), (129144, 154850), (134525, 148656)]