888927380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{66239}}^1$

素因数の和:66320

約数の個数: 48

約数和(自身を含む): 2069867520

約数和(自身を除く): 1180940140

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, 66239, 132478, 264956, 331195, 662390, 728629, 1324780, 1457258, 2914516, 3643145, 4040579, 7286290, 8081158, 14572580, 16162316, 20202895, 40405790, 44446369, 80811580, 88892738, 177785476, 222231845, 444463690, 888927380]

約数ペア:

[(1, 888927380), (2, 444463690), (4, 222231845), (5, 177785476), (10, 88892738), (11, 80811580), (20, 44446369), (22, 40405790), (44, 20202895), (55, 16162316), (61, 14572580), (110, 8081158), (122, 7286290), (220, 4040579), (244, 3643145), (305, 2914516), (610, 1457258), (671, 1324780), (1220, 728629), (1342, 662390), (2684, 331195), (3355, 264956), (6710, 132478), (13420, 66239)]