28285290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28571}}^1$

素因数の和:28595

約数の個数: 48

約数和(自身を含む): 80230176

約数和(自身を除く): 51944886

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 28571, 57142, 85713, 142855, 171426, 257139, 285710, 314281, 428565, 514278, 628562, 857130, 942843, 1285695, 1571405, 1885686, 2571390, 2828529, 3142810, 4714215, 5657058, 9428430, 14142645, 28285290]

約数ペア:

[(1, 28285290), (2, 14142645), (3, 9428430), (5, 5657058), (6, 4714215), (9, 3142810), (10, 2828529), (11, 2571390), (15, 1885686), (18, 1571405), (22, 1285695), (30, 942843), (33, 857130), (45, 628562), (55, 514278), (66, 428565), (90, 314281), (99, 285710), (110, 257139), (165, 171426), (198, 142855), (330, 85713), (495, 57142), (990, 28571)]