7172980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 16223760

約数和(自身を除く): 9050780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 289, 292, 340, 365, 578, 730, 1156, 1241, 1445, 1460, 2482, 2890, 4913, 4964, 5780, 6205, 9826, 12410, 19652, 21097, 24565, 24820, 42194, 49130, 84388, 98260, 105485, 210970, 358649, 421940, 717298, 1434596, 1793245, 3586490, 7172980]

約数ペア:

[(1, 7172980), (2, 3586490), (4, 1793245), (5, 1434596), (10, 717298), (17, 421940), (20, 358649), (34, 210970), (68, 105485), (73, 98260), (85, 84388), (146, 49130), (170, 42194), (289, 24820), (292, 24565), (340, 21097), (365, 19652), (578, 12410), (730, 9826), (1156, 6205), (1241, 5780), (1445, 4964), (1460, 4913), (2482, 2890)]