17897450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 35354880

約数和(自身を除く): 17457430

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 79, 115, 158, 197, 230, 394, 395, 575, 790, 985, 1150, 1817, 1970, 1975, 3634, 3950, 4531, 4925, 9062, 9085, 9850, 15563, 18170, 22655, 31126, 45310, 45425, 77815, 90850, 113275, 155630, 226550, 357949, 389075, 715898, 778150, 1789745, 3579490, 8948725, 17897450]

約数ペア:

[(1, 17897450), (2, 8948725), (5, 3579490), (10, 1789745), (23, 778150), (25, 715898), (46, 389075), (50, 357949), (79, 226550), (115, 155630), (158, 113275), (197, 90850), (230, 77815), (394, 45425), (395, 45310), (575, 31126), (790, 22655), (985, 18170), (1150, 15563), (1817, 9850), (1970, 9085), (1975, 9062), (3634, 4925), (3950, 4531)]