217458800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 240

約数和(自身を含む): 619960320

約数和(自身を除く): 402501520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 31, 38, 40, 50, 52, 62, 65, 71, 76, 80, 95, 100, 104, 124, 130, 142, 152, 155, 190, 200, 208, 247, 248, 260, 284, 304, 310, 325, 355, 380, 400, 403, 475, 494, 496, 520, 568, 589, 620, 650, 710, 760, 775, 806, 923, 950, 988, 1040, 1136, 1178, 1235, 1240, 1300, 1349, 1420, 1520, 1550, 1612, 1775, 1846, 1900, 1976, 2015, 2201, 2356, 2470, 2480, 2600, 2698, 2840, 2945, 3100, 3224, 3550, 3692, 3800, 3952, 4030, 4402, 4615, 4712, 4940, 5200, 5396, 5680, 5890, 6175, 6200, 6448, 6745, 7100, 7384, 7600, 7657, 8060, 8804, 9230, 9424, 9880, 10075, 10792, 11005, 11780, 12350, 12400, 13490, 14200, 14725, 14768, 15314, 16120, 17537, 17608, 18460, 19760, 20150, 21584, 22010, 23075, 23560, 24700, 26980, 28400, 28613, 29450, 30628, 32240, 33725, 35074, 35216, 36920, 38285, 40300, 41819, 44020, 46150, 47120, 49400, 53960, 55025, 57226, 58900, 61256, 67450, 70148, 73840, 76570, 80600, 83638, 87685, 88040, 92300, 98800, 107920, 110050, 114452, 117800, 122512, 134900, 140296, 143065, 153140, 161200, 167276, 175370, 176080, 184600, 191425, 209095, 220100, 228904, 235600, 269800, 280592, 286130, 306280, 334552, 350740, 369200, 382850, 418190, 438425, 440200, 457808, 539600, 543647, 572260, 612560, 669104, 701480, 715325, 765700, 836380, 876850, 880400, 1045475, 1087294, 1144520, 1402960, 1430650, 1531400, 1672760, 1753700, 2090950, 2174588, 2289040, 2718235, 2861300, 3062800, 3345520, 3507400, 4181900, 4349176, 5436470, 5722600, 7014800, 8363800, 8698352, 10872940, 11445200, 13591175, 16727600, 21745880, 27182350, 43491760, 54364700, 108729400, 217458800]

約数ペア:

[(1, 217458800), (2, 108729400), (4, 54364700), (5, 43491760), (8, 27182350), (10, 21745880), (13, 16727600), (16, 13591175), (19, 11445200), (20, 10872940), (25, 8698352), (26, 8363800), (31, 7014800), (38, 5722600), (40, 5436470), (50, 4349176), (52, 4181900), (62, 3507400), (65, 3345520), (71, 3062800), (76, 2861300), (80, 2718235), (95, 2289040), (100, 2174588), (104, 2090950), (124, 1753700), (130, 1672760), (142, 1531400), (152, 1430650), (155, 1402960), (190, 1144520), (200, 1087294), (208, 1045475), (247, 880400), (248, 876850), (260, 836380), (284, 765700), (304, 715325), (310, 701480), (325, 669104), (355, 612560), (380, 572260), (400, 543647), (403, 539600), (475, 457808), (494, 440200), (496, 438425), (520, 418190), (568, 382850), (589, 369200), (620, 350740), (650, 334552), (710, 306280), (760, 286130), (775, 280592), (806, 269800), (923, 235600), (950, 228904), (988, 220100), (1040, 209095), (1136, 191425), (1178, 184600), (1235, 176080), (1240, 175370), (1300, 167276), (1349, 161200), (1420, 153140), (1520, 143065), (1550, 140296), (1612, 134900), (1775, 122512), (1846, 117800), (1900, 114452), (1976, 110050), (2015, 107920), (2201, 98800), (2356, 92300), (2470, 88040), (2480, 87685), (2600, 83638), (2698, 80600), (2840, 76570), (2945, 73840), (3100, 70148), (3224, 67450), (3550, 61256), (3692, 58900), (3800, 57226), (3952, 55025), (4030, 53960), (4402, 49400), (4615, 47120), (4712, 46150), (4940, 44020), (5200, 41819), (5396, 40300), (5680, 38285), (5890, 36920), (6175, 35216), (6200, 35074), (6448, 33725), (6745, 32240), (7100, 30628), (7384, 29450), (7600, 28613), (7657, 28400), (8060, 26980), (8804, 24700), (9230, 23560), (9424, 23075), (9880, 22010), (10075, 21584), (10792, 20150), (11005, 19760), (11780, 18460), (12350, 17608), (12400, 17537), (13490, 16120), (14200, 15314), (14725, 14768)]