223628020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{145213}}^1$

素因数の和:145240

約数の個数: 48

約数和(自身を含む): 585502848

約数和(自身を除く): 361874828

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 145213, 290426, 580852, 726065, 1016491, 1452130, 1597343, 2032982, 2904260, 3194686, 4065964, 5082455, 6389372, 7986715, 10164910, 11181401, 15973430, 20329820, 22362802, 31946860, 44725604, 55907005, 111814010, 223628020]

約数ペア:

[(1, 223628020), (2, 111814010), (4, 55907005), (5, 44725604), (7, 31946860), (10, 22362802), (11, 20329820), (14, 15973430), (20, 11181401), (22, 10164910), (28, 7986715), (35, 6389372), (44, 5082455), (55, 4065964), (70, 3194686), (77, 2904260), (110, 2032982), (140, 1597343), (154, 1452130), (220, 1016491), (308, 726065), (385, 580852), (770, 290426), (1540, 145213)]