788678150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{19891}}^1$

素因数の和:19977

約数の個数: 48

約数和(自身を含む): 1605761808

約数和(自身を除く): 817083658

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 130, 305, 325, 610, 650, 793, 1525, 1586, 3050, 3965, 7930, 19825, 19891, 39650, 39782, 99455, 198910, 258583, 497275, 517166, 994550, 1213351, 1292915, 2426702, 2585830, 6066755, 6464575, 12133510, 12929150, 15773563, 30333775, 31547126, 60667550, 78867815, 157735630, 394339075, 788678150]

約数ペア:

[(1, 788678150), (2, 394339075), (5, 157735630), (10, 78867815), (13, 60667550), (25, 31547126), (26, 30333775), (50, 15773563), (61, 12929150), (65, 12133510), (122, 6464575), (130, 6066755), (305, 2585830), (325, 2426702), (610, 1292915), (650, 1213351), (793, 994550), (1525, 517166), (1586, 497275), (3050, 258583), (3965, 198910), (7930, 99455), (19825, 39782), (19891, 39650)]