260040970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{128099}}^1$

素因数の和:128142

約数の個数: 32

約数和(自身を含む): 553392000

約数和(自身を除く): 293351030

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 128099, 256198, 640495, 896693, 1280990, 1793386, 3714871, 4483465, 7429742, 8966930, 18574355, 26004097, 37148710, 52008194, 130020485, 260040970]

約数ペア:

[(1, 260040970), (2, 130020485), (5, 52008194), (7, 37148710), (10, 26004097), (14, 18574355), (29, 8966930), (35, 7429742), (58, 4483465), (70, 3714871), (145, 1793386), (203, 1280990), (290, 896693), (406, 640495), (1015, 256198), (2030, 128099)]