2008784475

素因数分解:

$3^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{19973}}^1$

素因数の和:20141

約数の個数: 48

約数和(自身を含む): 3715164000

約数和(自身を除く): 1706379525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 149, 225, 447, 675, 745, 1341, 2235, 3725, 4023, 6705, 11175, 19973, 20115, 33525, 59919, 99865, 100575, 179757, 299595, 499325, 539271, 898785, 1497975, 2696355, 2975977, 4493925, 8927931, 13481775, 14879885, 26783793, 44639655, 74399425, 80351379, 133918965, 223198275, 401756895, 669594825, 2008784475]

約数ペア:

[(1, 2008784475), (3, 669594825), (5, 401756895), (9, 223198275), (15, 133918965), (25, 80351379), (27, 74399425), (45, 44639655), (75, 26783793), (135, 14879885), (149, 13481775), (225, 8927931), (447, 4493925), (675, 2975977), (745, 2696355), (1341, 1497975), (2235, 898785), (3725, 539271), (4023, 499325), (6705, 299595), (11175, 179757), (19973, 100575), (20115, 99865), (33525, 59919)]