248664280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{85159}}^1$

素因数の和:85243

約数の個数: 32

約数和(自身を含む): 567165600

約数和(自身を除く): 318501320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 85159, 170318, 340636, 425795, 681272, 851590, 1703180, 3406360, 6216607, 12433214, 24866428, 31083035, 49732856, 62166070, 124332140, 248664280]

約数ペア:

[(1, 248664280), (2, 124332140), (4, 62166070), (5, 49732856), (8, 31083035), (10, 24866428), (20, 12433214), (40, 6216607), (73, 3406360), (146, 1703180), (292, 851590), (365, 681272), (584, 425795), (730, 340636), (1460, 170318), (2920, 85159)]