7158980

素因数分解:

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

素因数の和:308

約数の個数: 48

約数和(自身を含む): 15966720

約数和(自身を除く): 8807740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 197, 230, 316, 394, 395, 460, 788, 790, 985, 1580, 1817, 1970, 3634, 3940, 4531, 7268, 9062, 9085, 15563, 18124, 18170, 22655, 31126, 36340, 45310, 62252, 77815, 90620, 155630, 311260, 357949, 715898, 1431796, 1789745, 3579490, 7158980]

約数ペア:

[(1, 7158980), (2, 3579490), (4, 1789745), (5, 1431796), (10, 715898), (20, 357949), (23, 311260), (46, 155630), (79, 90620), (92, 77815), (115, 62252), (158, 45310), (197, 36340), (230, 31126), (316, 22655), (394, 18170), (395, 18124), (460, 15563), (788, 9085), (790, 9062), (985, 7268), (1580, 4531), (1817, 3940), (1970, 3634)]