78860410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1019}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 145411200

約数和(自身を除く): 66550790

約数列:

[1, 2, 5, 10, 71, 109, 142, 218, 355, 545, 710, 1019, 1090, 2038, 5095, 7739, 10190, 15478, 38695, 72349, 77390, 111071, 144698, 222142, 361745, 555355, 723490, 1110710, 7886041, 15772082, 39430205, 78860410]

約数ペア:

[(1, 78860410), (2, 39430205), (5, 15772082), (10, 7886041), (71, 1110710), (109, 723490), (142, 555355), (218, 361745), (355, 222142), (545, 144698), (710, 111071), (1019, 77390), (1090, 72349), (2038, 38695), (5095, 15478), (7739, 10190)]