411414980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{7789}}^1$

素因数の和:7956

約数の個数: 48

約数和(自身を含む): 916104000

約数和(自身を除く): 504689020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 2641, 2780, 5282, 7789, 10564, 13205, 15578, 26410, 31156, 38945, 52820, 77890, 147991, 155780, 295982, 591964, 739955, 1082671, 1479910, 2165342, 2959820, 4330684, 5413355, 10826710, 20570749, 21653420, 41141498, 82282996, 102853745, 205707490, 411414980]

約数ペア:

[(1, 411414980), (2, 205707490), (4, 102853745), (5, 82282996), (10, 41141498), (19, 21653420), (20, 20570749), (38, 10826710), (76, 5413355), (95, 4330684), (139, 2959820), (190, 2165342), (278, 1479910), (380, 1082671), (556, 739955), (695, 591964), (1390, 295982), (2641, 155780), (2780, 147991), (5282, 77890), (7789, 52820), (10564, 38945), (13205, 31156), (15578, 26410)]