1021240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 2537640

約数和(自身を除く): 1516400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 211, 220, 242, 422, 440, 484, 605, 844, 968, 1055, 1210, 1688, 2110, 2321, 2420, 4220, 4642, 4840, 8440, 9284, 11605, 18568, 23210, 25531, 46420, 51062, 92840, 102124, 127655, 204248, 255310, 510620, 1021240]

約数ペア:

[(1, 1021240), (2, 510620), (4, 255310), (5, 204248), (8, 127655), (10, 102124), (11, 92840), (20, 51062), (22, 46420), (40, 25531), (44, 23210), (55, 18568), (88, 11605), (110, 9284), (121, 8440), (211, 4840), (220, 4642), (242, 4220), (422, 2420), (440, 2321), (484, 2110), (605, 1688), (844, 1210), (968, 1055)]