73421620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 160428240

約数和(自身を除く): 87006620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 277, 290, 457, 554, 580, 914, 1108, 1385, 1828, 2285, 2770, 4570, 5540, 8033, 9140, 13253, 16066, 26506, 32132, 40165, 53012, 66265, 80330, 126589, 132530, 160660, 253178, 265060, 506356, 632945, 1265890, 2531780, 3671081, 7342162, 14684324, 18355405, 36710810, 73421620]

約数ペア:

[(1, 73421620), (2, 36710810), (4, 18355405), (5, 14684324), (10, 7342162), (20, 3671081), (29, 2531780), (58, 1265890), (116, 632945), (145, 506356), (277, 265060), (290, 253178), (457, 160660), (554, 132530), (580, 126589), (914, 80330), (1108, 66265), (1385, 53012), (1828, 40165), (2285, 32132), (2770, 26506), (4570, 16066), (5540, 13253), (8033, 9140)]