204878380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47207}}^1$

素因数の和:47254

約数の個数: 48

約数和(自身を含む): 507580416

約数和(自身を除く): 302702036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 47207, 94414, 188828, 236035, 330449, 472070, 660898, 944140, 1321796, 1463417, 1652245, 2926834, 3304490, 5853668, 6608980, 7317085, 10243919, 14634170, 20487838, 29268340, 40975676, 51219595, 102439190, 204878380]

約数ペア:

[(1, 204878380), (2, 102439190), (4, 51219595), (5, 40975676), (7, 29268340), (10, 20487838), (14, 14634170), (20, 10243919), (28, 7317085), (31, 6608980), (35, 5853668), (62, 3304490), (70, 2926834), (124, 1652245), (140, 1463417), (155, 1321796), (217, 944140), (310, 660898), (434, 472070), (620, 330449), (868, 236035), (1085, 188828), (2170, 94414), (4340, 47207)]