27802940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2939}}^1$

素因数の和:3002

約数の個数: 48

約数和(自身を含む): 65197440

約数和(自身を除く): 37394500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 2939, 4730, 5878, 9460, 11756, 14695, 29390, 32329, 58780, 64658, 126377, 129316, 161645, 252754, 323290, 505508, 631885, 646580, 1263770, 1390147, 2527540, 2780294, 5560588, 6950735, 13901470, 27802940]

約数ペア:

[(1, 27802940), (2, 13901470), (4, 6950735), (5, 5560588), (10, 2780294), (11, 2527540), (20, 1390147), (22, 1263770), (43, 646580), (44, 631885), (55, 505508), (86, 323290), (110, 252754), (172, 161645), (215, 129316), (220, 126377), (430, 64658), (473, 58780), (860, 32329), (946, 29390), (1892, 14695), (2365, 11756), (2939, 9460), (4730, 5878)]