28160330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^2$

素因数の和:120

約数の個数: 72

約数和(自身を含む): 60630444

約数和(自身を除く): 32470114

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 37, 55, 74, 85, 110, 121, 170, 185, 187, 242, 370, 374, 407, 605, 629, 814, 935, 1210, 1258, 1369, 1870, 2035, 2057, 2738, 3145, 4070, 4114, 4477, 6290, 6845, 6919, 8954, 10285, 13690, 13838, 15059, 20570, 22385, 23273, 30118, 34595, 44770, 46546, 69190, 75295, 76109, 116365, 150590, 152218, 165649, 232730, 256003, 331298, 380545, 512006, 761090, 828245, 1280015, 1656490, 2560030, 2816033, 5632066, 14080165, 28160330]

約数ペア:

[(1, 28160330), (2, 14080165), (5, 5632066), (10, 2816033), (11, 2560030), (17, 1656490), (22, 1280015), (34, 828245), (37, 761090), (55, 512006), (74, 380545), (85, 331298), (110, 256003), (121, 232730), (170, 165649), (185, 152218), (187, 150590), (242, 116365), (370, 76109), (374, 75295), (407, 69190), (605, 46546), (629, 44770), (814, 34595), (935, 30118), (1210, 23273), (1258, 22385), (1369, 20570), (1870, 15059), (2035, 13838), (2057, 13690), (2738, 10285), (3145, 8954), (4070, 6919), (4114, 6845), (4477, 6290)]