288295480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1019}}^1$

素因数の和:1684

約数の個数: 64

約数和(自身を含む): 709430400

約数和(自身を除く): 421134920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 643, 1019, 1286, 2038, 2572, 3215, 4076, 5095, 5144, 6430, 7073, 8152, 10190, 11209, 12860, 14146, 20380, 22418, 25720, 28292, 35365, 40760, 44836, 56045, 56584, 70730, 89672, 112090, 141460, 224180, 282920, 448360, 655217, 1310434, 2620868, 3276085, 5241736, 6552170, 7207387, 13104340, 14414774, 26208680, 28829548, 36036935, 57659096, 72073870, 144147740, 288295480]

約数ペア:

[(1, 288295480), (2, 144147740), (4, 72073870), (5, 57659096), (8, 36036935), (10, 28829548), (11, 26208680), (20, 14414774), (22, 13104340), (40, 7207387), (44, 6552170), (55, 5241736), (88, 3276085), (110, 2620868), (220, 1310434), (440, 655217), (643, 448360), (1019, 282920), (1286, 224180), (2038, 141460), (2572, 112090), (3215, 89672), (4076, 70730), (5095, 56584), (5144, 56045), (6430, 44836), (7073, 40760), (8152, 35365), (10190, 28292), (11209, 25720), (12860, 22418), (14146, 20380)]