720912130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{29437}}^1$

素因数の和:29554

約数の個数: 32

約数和(自身を含む): 1356503040

約数和(自身を除く): 635590910

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 4898, 12245, 24490, 29437, 58874, 147185, 294370, 912547, 1825094, 2325523, 4562735, 4651046, 9125470, 11627615, 23255230, 72091213, 144182426, 360456065, 720912130]

約数ペア:

[(1, 720912130), (2, 360456065), (5, 144182426), (10, 72091213), (31, 23255230), (62, 11627615), (79, 9125470), (155, 4651046), (158, 4562735), (310, 2325523), (395, 1825094), (790, 912547), (2449, 294370), (4898, 147185), (12245, 58874), (24490, 29437)]