215075525

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 316170240

約数和(自身を除く): 101094715

約数列:

[1, 5, 7, 25, 35, 47, 79, 175, 235, 329, 331, 395, 553, 1175, 1645, 1655, 1975, 2317, 2765, 3713, 8225, 8275, 11585, 13825, 15557, 18565, 25991, 26149, 57925, 77785, 92825, 108899, 129955, 130745, 183043, 388925, 544495, 649775, 653725, 915215, 1229003, 2722475, 4576075, 6145015, 8603021, 30725075, 43015105, 215075525]

約数ペア:

[(1, 215075525), (5, 43015105), (7, 30725075), (25, 8603021), (35, 6145015), (47, 4576075), (79, 2722475), (175, 1229003), (235, 915215), (329, 653725), (331, 649775), (395, 544495), (553, 388925), (1175, 183043), (1645, 130745), (1655, 129955), (1975, 108899), (2317, 92825), (2765, 77785), (3713, 57925), (8225, 26149), (8275, 25991), (11585, 18565), (13825, 15557)]