172021580

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 372587040

約数和(自身を除く): 200565460

約数列:

[1, 2, 4, 5, 10, 20, 59, 73, 118, 146, 236, 292, 295, 365, 590, 730, 1180, 1460, 1997, 3994, 4307, 7988, 8614, 9985, 17228, 19970, 21535, 39940, 43070, 86140, 117823, 145781, 235646, 291562, 471292, 583124, 589115, 728905, 1178230, 1457810, 2356460, 2915620, 8601079, 17202158, 34404316, 43005395, 86010790, 172021580]

約数ペア:

[(1, 172021580), (2, 86010790), (4, 43005395), (5, 34404316), (10, 17202158), (20, 8601079), (59, 2915620), (73, 2356460), (118, 1457810), (146, 1178230), (236, 728905), (292, 589115), (295, 583124), (365, 471292), (590, 291562), (730, 235646), (1180, 145781), (1460, 117823), (1997, 86140), (3994, 43070), (4307, 39940), (7988, 21535), (8614, 19970), (9985, 17228)]