7787950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:213

約数の個数: 48

約数和(自身を含む): 15467760

約数和(自身を除く): 7679810

約数列:

[1, 2, 5, 10, 25, 29, 41, 50, 58, 82, 131, 145, 205, 262, 290, 410, 655, 725, 1025, 1189, 1310, 1450, 2050, 2378, 3275, 3799, 5371, 5945, 6550, 7598, 10742, 11890, 18995, 26855, 29725, 37990, 53710, 59450, 94975, 134275, 155759, 189950, 268550, 311518, 778795, 1557590, 3893975, 7787950]

約数ペア:

[(1, 7787950), (2, 3893975), (5, 1557590), (10, 778795), (25, 311518), (29, 268550), (41, 189950), (50, 155759), (58, 134275), (82, 94975), (131, 59450), (145, 53710), (205, 37990), (262, 29725), (290, 26855), (410, 18995), (655, 11890), (725, 10742), (1025, 7598), (1189, 6550), (1310, 5945), (1450, 5371), (2050, 3799), (2378, 3275)]