201925420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3307}}^1$

素因数の和:3430

約数の個数: 48

約数和(自身を含む): 440149248

約数和(自身を除く): 238223828

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1420, 3053, 3307, 6106, 6614, 12212, 13228, 15265, 16535, 30530, 33070, 61060, 66140, 142201, 234797, 284402, 469594, 568804, 711005, 939188, 1173985, 1422010, 2347970, 2844020, 4695940, 10096271, 20192542, 40385084, 50481355, 100962710, 201925420]

約数ペア:

[(1, 201925420), (2, 100962710), (4, 50481355), (5, 40385084), (10, 20192542), (20, 10096271), (43, 4695940), (71, 2844020), (86, 2347970), (142, 1422010), (172, 1173985), (215, 939188), (284, 711005), (355, 568804), (430, 469594), (710, 284402), (860, 234797), (1420, 142201), (3053, 66140), (3307, 61060), (6106, 33070), (6614, 30530), (12212, 16535), (13228, 15265)]