2019436375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4547}}^1$

素因数の和:4609

約数の個数: 64

約数和(自身を含む): 3064988160

約数和(自身を除く): 1045551785

約数列:

[1, 5, 11, 17, 19, 25, 55, 85, 95, 125, 187, 209, 275, 323, 425, 475, 935, 1045, 1375, 1615, 2125, 2375, 3553, 4547, 4675, 5225, 8075, 17765, 22735, 23375, 26125, 40375, 50017, 77299, 86393, 88825, 113675, 250085, 386495, 431965, 444125, 568375, 850289, 950323, 1250425, 1468681, 1932475, 2159825, 4251445, 4751615, 6252125, 7343405, 9662375, 10799125, 16155491, 21257225, 23758075, 36717025, 80777455, 106286125, 118790375, 183585125, 403887275, 2019436375]

約数ペア:

[(1, 2019436375), (5, 403887275), (11, 183585125), (17, 118790375), (19, 106286125), (25, 80777455), (55, 36717025), (85, 23758075), (95, 21257225), (125, 16155491), (187, 10799125), (209, 9662375), (275, 7343405), (323, 6252125), (425, 4751615), (475, 4251445), (935, 2159825), (1045, 1932475), (1375, 1468681), (1615, 1250425), (2125, 950323), (2375, 850289), (3553, 568375), (4547, 444125), (4675, 431965), (5225, 386495), (8075, 250085), (17765, 113675), (22735, 88825), (23375, 86393), (26125, 77299), (40375, 50017)]