56301980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 139598928

約数和(自身を除く): 83296948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 730, 787, 980, 1022, 1460, 1574, 2044, 2555, 3148, 3577, 3935, 5110, 5509, 7154, 7870, 10220, 11018, 14308, 15740, 17885, 22036, 27545, 35770, 38563, 55090, 57451, 71540, 77126, 110180, 114902, 154252, 192815, 229804, 287255, 385630, 402157, 574510, 771260, 804314, 1149020, 1608628, 2010785, 2815099, 4021570, 5630198, 8043140, 11260396, 14075495, 28150990, 56301980]

約数ペア:

[(1, 56301980), (2, 28150990), (4, 14075495), (5, 11260396), (7, 8043140), (10, 5630198), (14, 4021570), (20, 2815099), (28, 2010785), (35, 1608628), (49, 1149020), (70, 804314), (73, 771260), (98, 574510), (140, 402157), (146, 385630), (196, 287255), (245, 229804), (292, 192815), (365, 154252), (490, 114902), (511, 110180), (730, 77126), (787, 71540), (980, 57451), (1022, 55090), (1460, 38563), (1574, 35770), (2044, 27545), (2555, 22036), (3148, 17885), (3577, 15740), (3935, 14308), (5110, 11018), (5509, 10220), (7154, 7870)]