7409960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{641}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 17738460

約数和(自身を除く): 10328500

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 641, 680, 1156, 1282, 1445, 2312, 2564, 2890, 3205, 5128, 5780, 6410, 10897, 11560, 12820, 21794, 25640, 43588, 54485, 87176, 108970, 185249, 217940, 370498, 435880, 740996, 926245, 1481992, 1852490, 3704980, 7409960]

約数ペア:

[(1, 7409960), (2, 3704980), (4, 1852490), (5, 1481992), (8, 926245), (10, 740996), (17, 435880), (20, 370498), (34, 217940), (40, 185249), (68, 108970), (85, 87176), (136, 54485), (170, 43588), (289, 25640), (340, 21794), (578, 12820), (641, 11560), (680, 10897), (1156, 6410), (1282, 5780), (1445, 5128), (2312, 3205), (2564, 2890)]