253441780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{5441}}^1$

素因数の和:5604

約数の個数: 48

約数和(自身を含む): 567752976

約数和(自身を除く): 314311196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 137, 170, 274, 340, 548, 685, 1370, 2329, 2740, 4658, 5441, 9316, 10882, 11645, 21764, 23290, 27205, 46580, 54410, 92497, 108820, 184994, 369988, 462485, 745417, 924970, 1490834, 1849940, 2981668, 3727085, 7454170, 12672089, 14908340, 25344178, 50688356, 63360445, 126720890, 253441780]

約数ペア:

[(1, 253441780), (2, 126720890), (4, 63360445), (5, 50688356), (10, 25344178), (17, 14908340), (20, 12672089), (34, 7454170), (68, 3727085), (85, 2981668), (137, 1849940), (170, 1490834), (274, 924970), (340, 745417), (548, 462485), (685, 369988), (1370, 184994), (2329, 108820), (2740, 92497), (4658, 54410), (5441, 46580), (9316, 27205), (10882, 23290), (11645, 21764)]