2003960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 5469120

約数和(自身を除く): 3465160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 421, 476, 595, 680, 842, 952, 1190, 1684, 2105, 2380, 2947, 3368, 4210, 4760, 5894, 7157, 8420, 11788, 14314, 14735, 16840, 23576, 28628, 29470, 35785, 50099, 57256, 58940, 71570, 100198, 117880, 143140, 200396, 250495, 286280, 400792, 500990, 1001980, 2003960]

約数ペア:

[(1, 2003960), (2, 1001980), (4, 500990), (5, 400792), (7, 286280), (8, 250495), (10, 200396), (14, 143140), (17, 117880), (20, 100198), (28, 71570), (34, 58940), (35, 57256), (40, 50099), (56, 35785), (68, 29470), (70, 28628), (85, 23576), (119, 16840), (136, 14735), (140, 14314), (170, 11788), (238, 8420), (280, 7157), (340, 5894), (421, 4760), (476, 4210), (595, 3368), (680, 2947), (842, 2380), (952, 2105), (1190, 1684)]