177675140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{5039}}^1$

素因数の和:5132

約数の個数: 48

約数和(自身を含む): 391184640

約数和(自身を除く): 213509500

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 5039, 7052, 8815, 10078, 17630, 20156, 25195, 35260, 50390, 100780, 206599, 216677, 413198, 433354, 826396, 866708, 1032995, 1083385, 2065990, 2166770, 4131980, 4333540, 8883757, 17767514, 35535028, 44418785, 88837570, 177675140]

約数ペア:

[(1, 177675140), (2, 88837570), (4, 44418785), (5, 35535028), (10, 17767514), (20, 8883757), (41, 4333540), (43, 4131980), (82, 2166770), (86, 2065990), (164, 1083385), (172, 1032995), (205, 866708), (215, 826396), (410, 433354), (430, 413198), (820, 216677), (860, 206599), (1763, 100780), (3526, 50390), (5039, 35260), (7052, 25195), (8815, 20156), (10078, 17630)]