153340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 381024

約数和(自身を除く): 227684

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 41, 44, 55, 68, 82, 85, 110, 164, 170, 187, 205, 220, 340, 374, 410, 451, 697, 748, 820, 902, 935, 1394, 1804, 1870, 2255, 2788, 3485, 3740, 4510, 6970, 7667, 9020, 13940, 15334, 30668, 38335, 76670, 153340]

約数ペア:

[(1, 153340), (2, 76670), (4, 38335), (5, 30668), (10, 15334), (11, 13940), (17, 9020), (20, 7667), (22, 6970), (34, 4510), (41, 3740), (44, 3485), (55, 2788), (68, 2255), (82, 1870), (85, 1804), (110, 1394), (164, 935), (170, 902), (187, 820), (205, 748), (220, 697), (340, 451), (374, 410)]