396880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:76

約数の個数: 60

約数和(自身を含む): 1038996

約数和(自身を除く): 642116

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 121, 164, 176, 205, 220, 242, 328, 410, 440, 451, 484, 605, 656, 820, 880, 902, 968, 1210, 1640, 1804, 1936, 2255, 2420, 3280, 3608, 4510, 4840, 4961, 7216, 9020, 9680, 9922, 18040, 19844, 24805, 36080, 39688, 49610, 79376, 99220, 198440, 396880]

約数ペア:

[(1, 396880), (2, 198440), (4, 99220), (5, 79376), (8, 49610), (10, 39688), (11, 36080), (16, 24805), (20, 19844), (22, 18040), (40, 9922), (41, 9680), (44, 9020), (55, 7216), (80, 4961), (82, 4840), (88, 4510), (110, 3608), (121, 3280), (164, 2420), (176, 2255), (205, 1936), (220, 1804), (242, 1640), (328, 1210), (410, 968), (440, 902), (451, 880), (484, 820), (605, 656)]