313064560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{55117}}^1$

素因数の和:55201

約数の個数: 40

約数和(自身を含む): 738140256

約数和(自身を除く): 425075696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 55117, 110234, 220468, 275585, 440936, 551170, 881872, 1102340, 2204680, 3913307, 4409360, 7826614, 15653228, 19566535, 31306456, 39133070, 62612912, 78266140, 156532280, 313064560]

約数ペア:

[(1, 313064560), (2, 156532280), (4, 78266140), (5, 62612912), (8, 39133070), (10, 31306456), (16, 19566535), (20, 15653228), (40, 7826614), (71, 4409360), (80, 3913307), (142, 2204680), (284, 1102340), (355, 881872), (568, 551170), (710, 440936), (1136, 275585), (1420, 220468), (2840, 110234), (5680, 55117)]