1876820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 4536000

約数和(自身を除く): 2659180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 449, 836, 898, 1045, 1796, 2090, 2245, 4180, 4490, 4939, 8531, 8980, 9878, 17062, 19756, 24695, 34124, 42655, 49390, 85310, 93841, 98780, 170620, 187682, 375364, 469205, 938410, 1876820]

約数ペア:

[(1, 1876820), (2, 938410), (4, 469205), (5, 375364), (10, 187682), (11, 170620), (19, 98780), (20, 93841), (22, 85310), (38, 49390), (44, 42655), (55, 34124), (76, 24695), (95, 19756), (110, 17062), (190, 9878), (209, 8980), (220, 8531), (380, 4939), (418, 4490), (449, 4180), (836, 2245), (898, 2090), (1045, 1796)]