4541980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 10160640

約数和(自身を除く): 5618660

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 191, 205, 290, 382, 410, 580, 764, 820, 955, 1189, 1910, 2378, 3820, 4756, 5539, 5945, 7831, 11078, 11890, 15662, 22156, 23780, 27695, 31324, 39155, 55390, 78310, 110780, 156620, 227099, 454198, 908396, 1135495, 2270990, 4541980]

約数ペア:

[(1, 4541980), (2, 2270990), (4, 1135495), (5, 908396), (10, 454198), (20, 227099), (29, 156620), (41, 110780), (58, 78310), (82, 55390), (116, 39155), (145, 31324), (164, 27695), (191, 23780), (205, 22156), (290, 15662), (382, 11890), (410, 11078), (580, 7831), (764, 5945), (820, 5539), (955, 4756), (1189, 3820), (1910, 2378)]