840053980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{4567}}^1$

素因数の和:5134

約数の個数: 48

約数和(自身を含む): 1871747136

約数和(自身を除く): 1031693156

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 541, 1082, 2164, 2705, 4567, 5410, 9134, 9197, 10820, 18268, 18394, 22835, 36788, 45670, 45985, 77639, 91340, 91970, 155278, 183940, 310556, 388195, 776390, 1552780, 2470747, 4941494, 9882988, 12353735, 24707470, 42002699, 49414940, 84005398, 168010796, 210013495, 420026990, 840053980]

約数ペア:

[(1, 840053980), (2, 420026990), (4, 210013495), (5, 168010796), (10, 84005398), (17, 49414940), (20, 42002699), (34, 24707470), (68, 12353735), (85, 9882988), (170, 4941494), (340, 2470747), (541, 1552780), (1082, 776390), (2164, 388195), (2705, 310556), (4567, 183940), (5410, 155278), (9134, 91970), (9197, 91340), (10820, 77639), (18268, 45985), (18394, 45670), (22835, 36788)]