28253830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 60886080

約数和(自身を除く): 32632250

約数列:

[1, 2, 5, 10, 11, 17, 22, 29, 34, 55, 58, 85, 110, 145, 170, 187, 290, 319, 374, 493, 521, 638, 935, 986, 1042, 1595, 1870, 2465, 2605, 3190, 4930, 5210, 5423, 5731, 8857, 10846, 11462, 15109, 17714, 27115, 28655, 30218, 44285, 54230, 57310, 75545, 88570, 97427, 151090, 166199, 194854, 256853, 332398, 487135, 513706, 830995, 974270, 1284265, 1661990, 2568530, 2825383, 5650766, 14126915, 28253830]

約数ペア:

[(1, 28253830), (2, 14126915), (5, 5650766), (10, 2825383), (11, 2568530), (17, 1661990), (22, 1284265), (29, 974270), (34, 830995), (55, 513706), (58, 487135), (85, 332398), (110, 256853), (145, 194854), (170, 166199), (187, 151090), (290, 97427), (319, 88570), (374, 75545), (493, 57310), (521, 54230), (638, 44285), (935, 30218), (986, 28655), (1042, 27115), (1595, 17714), (1870, 15109), (2465, 11462), (2605, 10846), (3190, 8857), (4930, 5731), (5210, 5423)]