1292379220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{2531}}^1$

素因数の和:2773

約数の個数: 72

約数和(自身を含む): 2998475424

約数和(自身を除く): 1706096204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 211, 220, 242, 422, 484, 605, 844, 1055, 1210, 2110, 2321, 2420, 2531, 4220, 4642, 5062, 9284, 10124, 11605, 12655, 23210, 25310, 25531, 27841, 46420, 50620, 51062, 55682, 102124, 111364, 127655, 139205, 255310, 278410, 306251, 510620, 534041, 556820, 612502, 1068082, 1225004, 1531255, 2136164, 2670205, 3062510, 5340410, 5874451, 6125020, 10680820, 11748902, 23497804, 29372255, 58744510, 64618961, 117489020, 129237922, 258475844, 323094805, 646189610, 1292379220]

約数ペア:

[(1, 1292379220), (2, 646189610), (4, 323094805), (5, 258475844), (10, 129237922), (11, 117489020), (20, 64618961), (22, 58744510), (44, 29372255), (55, 23497804), (110, 11748902), (121, 10680820), (211, 6125020), (220, 5874451), (242, 5340410), (422, 3062510), (484, 2670205), (605, 2136164), (844, 1531255), (1055, 1225004), (1210, 1068082), (2110, 612502), (2321, 556820), (2420, 534041), (2531, 510620), (4220, 306251), (4642, 278410), (5062, 255310), (9284, 139205), (10124, 127655), (11605, 111364), (12655, 102124), (23210, 55682), (25310, 51062), (25531, 50620), (27841, 46420)]