2901160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 7030800

約数和(自身を除く): 4129640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 61, 82, 116, 122, 145, 164, 205, 232, 244, 290, 305, 328, 410, 488, 580, 610, 820, 1160, 1189, 1220, 1640, 1769, 2378, 2440, 2501, 3538, 4756, 5002, 5945, 7076, 8845, 9512, 10004, 11890, 12505, 14152, 17690, 20008, 23780, 25010, 35380, 47560, 50020, 70760, 72529, 100040, 145058, 290116, 362645, 580232, 725290, 1450580, 2901160]

約数ペア:

[(1, 2901160), (2, 1450580), (4, 725290), (5, 580232), (8, 362645), (10, 290116), (20, 145058), (29, 100040), (40, 72529), (41, 70760), (58, 50020), (61, 47560), (82, 35380), (116, 25010), (122, 23780), (145, 20008), (164, 17690), (205, 14152), (232, 12505), (244, 11890), (290, 10004), (305, 9512), (328, 8845), (410, 7076), (488, 5945), (580, 5002), (610, 4756), (820, 3538), (1160, 2501), (1189, 2440), (1220, 2378), (1640, 1769)]