9911916440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:817

約数の個数: 128

約数和(自身を含む): 23466240000

約数和(自身を除く): 13554323560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 193, 248, 310, 332, 386, 415, 499, 620, 664, 772, 830, 965, 998, 1240, 1544, 1660, 1930, 1996, 2495, 2573, 3320, 3860, 3992, 4990, 5146, 5983, 7720, 9980, 10292, 11966, 12865, 15469, 16019, 19960, 20584, 23932, 25730, 29915, 30938, 32038, 41417, 47864, 51460, 59830, 61876, 64076, 77345, 80095, 82834, 96307, 102920, 119660, 123752, 128152, 154690, 160190, 165668, 192614, 207085, 239320, 309380, 320380, 331336, 385228, 414170, 481535, 496589, 618760, 640760, 770456, 828340, 963070, 993178, 1283927, 1656680, 1926140, 1986356, 2482945, 2567854, 2985517, 3852280, 3972712, 4965890, 5135708, 5971034, 6419635, 7993481, 9931780, 10271416, 11942068, 12839270, 14927585, 15986962, 19863560, 23884136, 25678540, 29855170, 31973924, 39967405, 51357080, 59710340, 63947848, 79934810, 119420680, 159869620, 247797911, 319739240, 495595822, 991191644, 1238989555, 1982383288, 2477979110, 4955958220, 9911916440]

約数ペア:

[(1, 9911916440), (2, 4955958220), (4, 2477979110), (5, 1982383288), (8, 1238989555), (10, 991191644), (20, 495595822), (31, 319739240), (40, 247797911), (62, 159869620), (83, 119420680), (124, 79934810), (155, 63947848), (166, 59710340), (193, 51357080), (248, 39967405), (310, 31973924), (332, 29855170), (386, 25678540), (415, 23884136), (499, 19863560), (620, 15986962), (664, 14927585), (772, 12839270), (830, 11942068), (965, 10271416), (998, 9931780), (1240, 7993481), (1544, 6419635), (1660, 5971034), (1930, 5135708), (1996, 4965890), (2495, 3972712), (2573, 3852280), (3320, 2985517), (3860, 2567854), (3992, 2482945), (4990, 1986356), (5146, 1926140), (5983, 1656680), (7720, 1283927), (9980, 993178), (10292, 963070), (11966, 828340), (12865, 770456), (15469, 640760), (16019, 618760), (19960, 496589), (20584, 481535), (23932, 414170), (25730, 385228), (29915, 331336), (30938, 320380), (32038, 309380), (41417, 239320), (47864, 207085), (51460, 192614), (59830, 165668), (61876, 160190), (64076, 154690), (77345, 128152), (80095, 123752), (82834, 119660), (96307, 102920)]