423477370

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{4003}}^1$

素因数の和:4230

約数の個数: 32

約数和(自身を含む): 778377600

約数和(自身を除く): 354900230

約数列:

[1, 2, 5, 10, 71, 142, 149, 298, 355, 710, 745, 1490, 4003, 8006, 10579, 20015, 21158, 40030, 52895, 105790, 284213, 568426, 596447, 1192894, 1421065, 2842130, 2982235, 5964470, 42347737, 84695474, 211738685, 423477370]

約数ペア:

[(1, 423477370), (2, 211738685), (5, 84695474), (10, 42347737), (71, 5964470), (142, 2982235), (149, 2842130), (298, 1421065), (355, 1192894), (710, 596447), (745, 568426), (1490, 284213), (4003, 105790), (8006, 52895), (10579, 40030), (20015, 21158)]