843880

素因数分解:

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

素因数の和:118

約数の個数: 48

約数和(自身を含む): 2044620

約数和(自身を除く): 1200740

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 289, 292, 340, 365, 578, 584, 680, 730, 1156, 1241, 1445, 1460, 2312, 2482, 2890, 2920, 4964, 5780, 6205, 9928, 11560, 12410, 21097, 24820, 42194, 49640, 84388, 105485, 168776, 210970, 421940, 843880]

約数ペア:

[(1, 843880), (2, 421940), (4, 210970), (5, 168776), (8, 105485), (10, 84388), (17, 49640), (20, 42194), (34, 24820), (40, 21097), (68, 12410), (73, 11560), (85, 9928), (136, 6205), (146, 5780), (170, 4964), (289, 2920), (292, 2890), (340, 2482), (365, 2312), (578, 1460), (584, 1445), (680, 1241), (730, 1156)]