85399420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{761}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 186391296

約数和(自身を除く): 100991876

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 181, 310, 362, 620, 724, 761, 905, 1522, 1810, 3044, 3620, 3805, 5611, 7610, 11222, 15220, 22444, 23591, 28055, 47182, 56110, 94364, 112220, 117955, 137741, 235910, 275482, 471820, 550964, 688705, 1377410, 2754820, 4269971, 8539942, 17079884, 21349855, 42699710, 85399420]

約数ペア:

[(1, 85399420), (2, 42699710), (4, 21349855), (5, 17079884), (10, 8539942), (20, 4269971), (31, 2754820), (62, 1377410), (124, 688705), (155, 550964), (181, 471820), (310, 275482), (362, 235910), (620, 137741), (724, 117955), (761, 112220), (905, 94364), (1522, 56110), (1810, 47182), (3044, 28055), (3620, 23591), (3805, 22444), (5611, 15220), (7610, 11222)]