194940440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 450696960

約数和(自身を除く): 255756520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 284, 332, 355, 415, 568, 664, 710, 827, 830, 1420, 1654, 1660, 2840, 3308, 3320, 4135, 5893, 6616, 8270, 11786, 16540, 23572, 29465, 33080, 47144, 58717, 58930, 68641, 117434, 117860, 137282, 234868, 235720, 274564, 293585, 343205, 469736, 549128, 587170, 686410, 1174340, 1372820, 2348680, 2745640, 4873511, 9747022, 19494044, 24367555, 38988088, 48735110, 97470220, 194940440]

約数ペア:

[(1, 194940440), (2, 97470220), (4, 48735110), (5, 38988088), (8, 24367555), (10, 19494044), (20, 9747022), (40, 4873511), (71, 2745640), (83, 2348680), (142, 1372820), (166, 1174340), (284, 686410), (332, 587170), (355, 549128), (415, 469736), (568, 343205), (664, 293585), (710, 274564), (827, 235720), (830, 234868), (1420, 137282), (1654, 117860), (1660, 117434), (2840, 68641), (3308, 58930), (3320, 58717), (4135, 47144), (5893, 33080), (6616, 29465), (8270, 23572), (11786, 16540)]