310418020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{23131}}^1$

素因数の和:23212

約数の個数: 48

約数和(自身を含む): 722828736

約数和(自身を除く): 412410716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 23131, 46262, 92524, 115655, 231310, 254441, 462620, 508882, 1017764, 1272205, 1410991, 2544410, 2821982, 5088820, 5643964, 7054955, 14109910, 15520901, 28219820, 31041802, 62083604, 77604505, 155209010, 310418020]

約数ペア:

[(1, 310418020), (2, 155209010), (4, 77604505), (5, 62083604), (10, 31041802), (11, 28219820), (20, 15520901), (22, 14109910), (44, 7054955), (55, 5643964), (61, 5088820), (110, 2821982), (122, 2544410), (220, 1410991), (244, 1272205), (305, 1017764), (610, 508882), (671, 462620), (1220, 254441), (1342, 231310), (2684, 115655), (3355, 92524), (6710, 46262), (13420, 23131)]