1663996840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{343801}}^1$

素因数の和:343834

約数の個数: 48

約数和(自身を含む): 4115309940

約数和(自身を除く): 2451313100

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 343801, 687602, 1375204, 1719005, 2750408, 3438010, 3781811, 6876020, 7563622, 13752040, 15127244, 18909055, 30254488, 37818110, 41599921, 75636220, 83199842, 151272440, 166399684, 207999605, 332799368, 415999210, 831998420, 1663996840]

約数ペア:

[(1, 1663996840), (2, 831998420), (4, 415999210), (5, 332799368), (8, 207999605), (10, 166399684), (11, 151272440), (20, 83199842), (22, 75636220), (40, 41599921), (44, 37818110), (55, 30254488), (88, 18909055), (110, 15127244), (121, 13752040), (220, 7563622), (242, 6876020), (440, 3781811), (484, 3438010), (605, 2750408), (968, 1719005), (1210, 1375204), (2420, 687602), (4840, 343801)]