28137470

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 51960960

約数和(自身を除く): 23823490

約数列:

[1, 2, 5, 10, 61, 122, 193, 239, 305, 386, 478, 610, 965, 1195, 1930, 2390, 11773, 14579, 23546, 29158, 46127, 58865, 72895, 92254, 117730, 145790, 230635, 461270, 2813747, 5627494, 14068735, 28137470]

約数ペア:

[(1, 28137470), (2, 14068735), (5, 5627494), (10, 2813747), (61, 461270), (122, 230635), (193, 145790), (239, 117730), (305, 92254), (386, 72895), (478, 58865), (610, 46127), (965, 29158), (1195, 23546), (1930, 14579), (2390, 11773)]