638501479840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{587117}}^1$

素因数の和:588110

約数の個数: 96

約数和(自身を含む): 1725732376704

約数和(自身を除く): 1087230896864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 971, 1120, 1942, 3884, 4855, 6797, 7768, 9710, 13594, 15536, 19420, 27188, 31072, 33985, 38840, 54376, 67970, 77680, 108752, 135940, 155360, 217504, 271880, 543760, 587117, 1087520, 1174234, 2348468, 2935585, 4109819, 4696936, 5871170, 8219638, 9393872, 11742340, 16439276, 18787744, 20549095, 23484680, 32878552, 41098190, 46969360, 65757104, 82196380, 93938720, 131514208, 164392760, 328785520, 570090607, 657571040, 1140181214, 2280362428, 2850453035, 3990634249, 4560724856, 5700906070, 7981268498, 9121449712, 11401812140, 15962536996, 18242899424, 19953171245, 22803624280, 31925073992, 39906342490, 45607248560, 63850147984, 79812684980, 91214497120, 127700295968, 159625369960, 319250739920, 638501479840]

約数ペア:

[(1, 638501479840), (2, 319250739920), (4, 159625369960), (5, 127700295968), (7, 91214497120), (8, 79812684980), (10, 63850147984), (14, 45607248560), (16, 39906342490), (20, 31925073992), (28, 22803624280), (32, 19953171245), (35, 18242899424), (40, 15962536996), (56, 11401812140), (70, 9121449712), (80, 7981268498), (112, 5700906070), (140, 4560724856), (160, 3990634249), (224, 2850453035), (280, 2280362428), (560, 1140181214), (971, 657571040), (1120, 570090607), (1942, 328785520), (3884, 164392760), (4855, 131514208), (6797, 93938720), (7768, 82196380), (9710, 65757104), (13594, 46969360), (15536, 41098190), (19420, 32878552), (27188, 23484680), (31072, 20549095), (33985, 18787744), (38840, 16439276), (54376, 11742340), (67970, 9393872), (77680, 8219638), (108752, 5871170), (135940, 4696936), (155360, 4109819), (217504, 2935585), (271880, 2348468), (543760, 1174234), (587117, 1087520)]