100400240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 242743392

約数和(自身を除く): 142343152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 107, 148, 185, 214, 296, 317, 370, 428, 535, 592, 634, 740, 856, 1070, 1268, 1480, 1585, 1712, 2140, 2536, 2960, 3170, 3959, 4280, 5072, 6340, 7918, 8560, 11729, 12680, 15836, 19795, 23458, 25360, 31672, 33919, 39590, 46916, 58645, 63344, 67838, 79180, 93832, 117290, 135676, 158360, 169595, 187664, 234580, 271352, 316720, 339190, 469160, 542704, 678380, 938320, 1255003, 1356760, 2510006, 2713520, 5020012, 6275015, 10040024, 12550030, 20080048, 25100060, 50200120, 100400240]

約数ペア:

[(1, 100400240), (2, 50200120), (4, 25100060), (5, 20080048), (8, 12550030), (10, 10040024), (16, 6275015), (20, 5020012), (37, 2713520), (40, 2510006), (74, 1356760), (80, 1255003), (107, 938320), (148, 678380), (185, 542704), (214, 469160), (296, 339190), (317, 316720), (370, 271352), (428, 234580), (535, 187664), (592, 169595), (634, 158360), (740, 135676), (856, 117290), (1070, 93832), (1268, 79180), (1480, 67838), (1585, 63344), (1712, 58645), (2140, 46916), (2536, 39590), (2960, 33919), (3170, 31672), (3959, 25360), (4280, 23458), (5072, 19795), (6340, 15836), (7918, 12680), (8560, 11729)]