163471220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3109}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 376185600

約数和(自身を除く): 212714380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 2390, 2629, 3109, 4780, 5258, 6218, 10516, 12436, 13145, 15545, 26290, 31090, 34199, 52580, 62180, 68398, 136796, 170995, 341990, 683980, 743051, 1486102, 2972204, 3715255, 7430510, 8173561, 14861020, 16347122, 32694244, 40867805, 81735610, 163471220]

約数ペア:

[(1, 163471220), (2, 81735610), (4, 40867805), (5, 32694244), (10, 16347122), (11, 14861020), (20, 8173561), (22, 7430510), (44, 3715255), (55, 2972204), (110, 1486102), (220, 743051), (239, 683980), (478, 341990), (956, 170995), (1195, 136796), (2390, 68398), (2629, 62180), (3109, 52580), (4780, 34199), (5258, 31090), (6218, 26290), (10516, 15545), (12436, 13145)]