99913780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1091}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 221981760

約数和(自身を除く): 122067980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 241, 380, 482, 964, 1091, 1205, 2182, 2410, 4364, 4579, 4820, 5455, 9158, 10910, 18316, 20729, 21820, 22895, 41458, 45790, 82916, 91580, 103645, 207290, 262931, 414580, 525862, 1051724, 1314655, 2629310, 4995689, 5258620, 9991378, 19982756, 24978445, 49956890, 99913780]

約数ペア:

[(1, 99913780), (2, 49956890), (4, 24978445), (5, 19982756), (10, 9991378), (19, 5258620), (20, 4995689), (38, 2629310), (76, 1314655), (95, 1051724), (190, 525862), (241, 414580), (380, 262931), (482, 207290), (964, 103645), (1091, 91580), (1205, 82916), (2182, 45790), (2410, 41458), (4364, 22895), (4579, 21820), (4820, 20729), (5455, 18316), (9158, 10910)]