289037540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{1439}}^1$

素因数の和:1553

約数の個数: 72

約数和(自身を含む): 675682560

約数和(自身を除く): 386645020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 121, 166, 220, 242, 332, 415, 484, 605, 830, 913, 1210, 1439, 1660, 1826, 2420, 2878, 3652, 4565, 5756, 7195, 9130, 10043, 14390, 15829, 18260, 20086, 28780, 31658, 40172, 50215, 63316, 79145, 100430, 119437, 158290, 174119, 200860, 238874, 316580, 348238, 477748, 597185, 696476, 870595, 1194370, 1313807, 1741190, 2388740, 2627614, 3482380, 5255228, 6569035, 13138070, 14451877, 26276140, 28903754, 57807508, 72259385, 144518770, 289037540]

約数ペア:

[(1, 289037540), (2, 144518770), (4, 72259385), (5, 57807508), (10, 28903754), (11, 26276140), (20, 14451877), (22, 13138070), (44, 6569035), (55, 5255228), (83, 3482380), (110, 2627614), (121, 2388740), (166, 1741190), (220, 1313807), (242, 1194370), (332, 870595), (415, 696476), (484, 597185), (605, 477748), (830, 348238), (913, 316580), (1210, 238874), (1439, 200860), (1660, 174119), (1826, 158290), (2420, 119437), (2878, 100430), (3652, 79145), (4565, 63316), (5756, 50215), (7195, 40172), (9130, 31658), (10043, 28780), (14390, 20086), (15829, 18260)]