2016309925

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{1009}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 3015779200

約数和(自身を除く): 999469275

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 601, 665, 1009, 3005, 3325, 4207, 5045, 7063, 11419, 15025, 19171, 21035, 25225, 35315, 57095, 79933, 95855, 105175, 134197, 176575, 285475, 399665, 479275, 606409, 670985, 1998325, 3032045, 3354925, 4244863, 11521771, 15160225, 21224315, 57608855, 80652397, 106121575, 288044275, 403261985, 2016309925]

約数ペア:

[(1, 2016309925), (5, 403261985), (7, 288044275), (19, 106121575), (25, 80652397), (35, 57608855), (95, 21224315), (133, 15160225), (175, 11521771), (475, 4244863), (601, 3354925), (665, 3032045), (1009, 1998325), (3005, 670985), (3325, 606409), (4207, 479275), (5045, 399665), (7063, 285475), (11419, 176575), (15025, 134197), (19171, 105175), (21035, 95855), (25225, 79933), (35315, 57095)]