870908980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{35089}}^1$

素因数の和:35188

約数の個数: 48

約数和(自身を含む): 1963074960

約数和(自身を除く): 1092165980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1460, 2482, 4964, 6205, 12410, 24820, 35089, 70178, 140356, 175445, 350890, 596513, 701780, 1193026, 2386052, 2561497, 2982565, 5122994, 5965130, 10245988, 11930260, 12807485, 25614970, 43545449, 51229940, 87090898, 174181796, 217727245, 435454490, 870908980]

約数ペア:

[(1, 870908980), (2, 435454490), (4, 217727245), (5, 174181796), (10, 87090898), (17, 51229940), (20, 43545449), (34, 25614970), (68, 12807485), (73, 11930260), (85, 10245988), (146, 5965130), (170, 5122994), (292, 2982565), (340, 2561497), (365, 2386052), (730, 1193026), (1241, 701780), (1460, 596513), (2482, 350890), (4964, 175445), (6205, 140356), (12410, 70178), (24820, 35089)]