278034790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{881}}^1$

素因数の和:1069

約数の個数: 64

約数和(自身を含む): 579156480

約数和(自身を除く): 301121690

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 151, 190, 209, 302, 418, 755, 881, 1045, 1510, 1661, 1762, 2090, 2869, 3322, 4405, 5738, 8305, 8810, 9691, 14345, 16610, 16739, 19382, 28690, 31559, 33478, 48455, 63118, 83695, 96910, 133031, 157795, 167390, 184129, 266062, 315590, 368258, 665155, 920645, 1330310, 1463341, 1841290, 2527589, 2926682, 5055178, 7316705, 12637945, 14633410, 25275890, 27803479, 55606958, 139017395, 278034790]

約数ペア:

[(1, 278034790), (2, 139017395), (5, 55606958), (10, 27803479), (11, 25275890), (19, 14633410), (22, 12637945), (38, 7316705), (55, 5055178), (95, 2926682), (110, 2527589), (151, 1841290), (190, 1463341), (209, 1330310), (302, 920645), (418, 665155), (755, 368258), (881, 315590), (1045, 266062), (1510, 184129), (1661, 167390), (1762, 157795), (2090, 133031), (2869, 96910), (3322, 83695), (4405, 63118), (5738, 48455), (8305, 33478), (8810, 31559), (9691, 28690), (14345, 19382), (16610, 16739)]