55121990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4211}}^1$

素因数の和:4253

約数の個数: 64

約数和(自身を含む): 131010048

約数和(自身を除く): 75888058

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1870, 2618, 4211, 6545, 8422, 13090, 21055, 29477, 42110, 46321, 58954, 71587, 92642, 143174, 147385, 231605, 294770, 324247, 357935, 463210, 501109, 648494, 715870, 787457, 1002218, 1574914, 1621235, 2505545, 3242470, 3937285, 5011090, 5512199, 7874570, 11024398, 27560995, 55121990]

約数ペア:

[(1, 55121990), (2, 27560995), (5, 11024398), (7, 7874570), (10, 5512199), (11, 5011090), (14, 3937285), (17, 3242470), (22, 2505545), (34, 1621235), (35, 1574914), (55, 1002218), (70, 787457), (77, 715870), (85, 648494), (110, 501109), (119, 463210), (154, 357935), (170, 324247), (187, 294770), (238, 231605), (374, 147385), (385, 143174), (595, 92642), (770, 71587), (935, 58954), (1190, 46321), (1309, 42110), (1870, 29477), (2618, 21055), (4211, 13090), (6545, 8422)]