1868780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 4191264

約数和(自身を除く): 2322484

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 53, 82, 86, 106, 164, 172, 205, 212, 215, 265, 410, 430, 530, 820, 860, 1060, 1763, 2173, 2279, 3526, 4346, 4558, 7052, 8692, 8815, 9116, 10865, 11395, 17630, 21730, 22790, 35260, 43460, 45580, 93439, 186878, 373756, 467195, 934390, 1868780]

約数ペア:

[(1, 1868780), (2, 934390), (4, 467195), (5, 373756), (10, 186878), (20, 93439), (41, 45580), (43, 43460), (53, 35260), (82, 22790), (86, 21730), (106, 17630), (164, 11395), (172, 10865), (205, 9116), (212, 8815), (215, 8692), (265, 7052), (410, 4558), (430, 4346), (530, 3526), (820, 2279), (860, 2173), (1060, 1763)]