1390072390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{2111}}^1$

素因数の和:2557

約数の個数: 64

約数和(自身を含む): 2992619520

約数和(自身を除く): 1602547130

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 409, 805, 818, 1610, 2045, 2111, 2863, 4090, 4222, 5726, 9407, 10555, 14315, 14777, 18814, 21110, 28630, 29554, 47035, 48553, 65849, 73885, 94070, 97106, 131698, 147770, 242765, 329245, 339871, 485530, 658490, 679742, 863399, 1699355, 1726798, 3398710, 4316995, 6043793, 8633990, 12087586, 19858177, 30218965, 39716354, 60437930, 99290885, 139007239, 198581770, 278014478, 695036195, 1390072390]

約数ペア:

[(1, 1390072390), (2, 695036195), (5, 278014478), (7, 198581770), (10, 139007239), (14, 99290885), (23, 60437930), (35, 39716354), (46, 30218965), (70, 19858177), (115, 12087586), (161, 8633990), (230, 6043793), (322, 4316995), (409, 3398710), (805, 1726798), (818, 1699355), (1610, 863399), (2045, 679742), (2111, 658490), (2863, 485530), (4090, 339871), (4222, 329245), (5726, 242765), (9407, 147770), (10555, 131698), (14315, 97106), (14777, 94070), (18814, 73885), (21110, 65849), (28630, 48553), (29554, 47035)]