47856820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^2$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 116494560

約数和(自身を除く): 68637740

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 107, 110, 190, 209, 214, 220, 380, 418, 428, 535, 836, 1045, 1070, 1177, 2033, 2090, 2140, 2354, 4066, 4180, 4708, 5885, 8132, 10165, 11449, 11770, 20330, 22363, 22898, 23540, 40660, 44726, 45796, 57245, 89452, 111815, 114490, 125939, 217531, 223630, 228980, 251878, 435062, 447260, 503756, 629695, 870124, 1087655, 1259390, 2175310, 2392841, 2518780, 4350620, 4785682, 9571364, 11964205, 23928410, 47856820]

約数ペア:

[(1, 47856820), (2, 23928410), (4, 11964205), (5, 9571364), (10, 4785682), (11, 4350620), (19, 2518780), (20, 2392841), (22, 2175310), (38, 1259390), (44, 1087655), (55, 870124), (76, 629695), (95, 503756), (107, 447260), (110, 435062), (190, 251878), (209, 228980), (214, 223630), (220, 217531), (380, 125939), (418, 114490), (428, 111815), (535, 89452), (836, 57245), (1045, 45796), (1070, 44726), (1177, 40660), (2033, 23540), (2090, 22898), (2140, 22363), (2354, 20330), (4066, 11770), (4180, 11449), (4708, 10165), (5885, 8132)]