217702975

素因数分解:

$5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 317211840

約数和(自身を除く): 99508865

約数列:

[1, 5, 7, 25, 35, 101, 109, 113, 175, 505, 545, 565, 707, 763, 791, 2525, 2725, 2825, 3535, 3815, 3955, 11009, 11413, 12317, 17675, 19075, 19775, 55045, 57065, 61585, 77063, 79891, 86219, 275225, 285325, 307925, 385315, 399455, 431095, 1244017, 1926575, 1997275, 2155475, 6220085, 8708119, 31100425, 43540595, 217702975]

約数ペア:

[(1, 217702975), (5, 43540595), (7, 31100425), (25, 8708119), (35, 6220085), (101, 2155475), (109, 1997275), (113, 1926575), (175, 1244017), (505, 431095), (545, 399455), (565, 385315), (707, 307925), (763, 285325), (791, 275225), (2525, 86219), (2725, 79891), (2825, 77063), (3535, 61585), (3815, 57065), (3955, 55045), (11009, 19775), (11413, 19075), (12317, 17675)]