285759940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{1451}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 617158080

約数和(自身を除く): 331398140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 229, 430, 458, 860, 916, 1145, 1451, 2290, 2902, 4580, 5804, 7255, 9847, 14510, 19694, 29020, 39388, 49235, 62393, 98470, 124786, 196940, 249572, 311965, 332279, 623930, 664558, 1247860, 1329116, 1661395, 3322790, 6645580, 14287997, 28575994, 57151988, 71439985, 142879970, 285759940]

約数ペア:

[(1, 285759940), (2, 142879970), (4, 71439985), (5, 57151988), (10, 28575994), (20, 14287997), (43, 6645580), (86, 3322790), (172, 1661395), (215, 1329116), (229, 1247860), (430, 664558), (458, 623930), (860, 332279), (916, 311965), (1145, 249572), (1451, 196940), (2290, 124786), (2902, 98470), (4580, 62393), (5804, 49235), (7255, 39388), (9847, 29020), (14510, 19694)]