1900236455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3121}}^1$

素因数の和:3204

約数の個数: 64

約数和(自身を含む): 2832278400

約数和(自身を除く): 932041945

約数列:

[1, 5, 13, 17, 19, 29, 65, 85, 95, 145, 221, 247, 323, 377, 493, 551, 1105, 1235, 1615, 1885, 2465, 2755, 3121, 4199, 6409, 7163, 9367, 15605, 20995, 32045, 35815, 40573, 46835, 53057, 59299, 90509, 121771, 202865, 265285, 296495, 452545, 608855, 689741, 770887, 1008083, 1176617, 1538653, 1719671, 3448705, 3854435, 5040415, 5883085, 7693265, 8598355, 13105079, 20002489, 22355723, 29234407, 65525395, 100012445, 111778615, 146172035, 380047291, 1900236455]

約数ペア:

[(1, 1900236455), (5, 380047291), (13, 146172035), (17, 111778615), (19, 100012445), (29, 65525395), (65, 29234407), (85, 22355723), (95, 20002489), (145, 13105079), (221, 8598355), (247, 7693265), (323, 5883085), (377, 5040415), (493, 3854435), (551, 3448705), (1105, 1719671), (1235, 1538653), (1615, 1176617), (1885, 1008083), (2465, 770887), (2755, 689741), (3121, 608855), (4199, 452545), (6409, 296495), (7163, 265285), (9367, 202865), (15605, 121771), (20995, 90509), (32045, 59299), (35815, 53057), (40573, 46835)]