125571985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 191520000

約数和(自身を除く): 65948015

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 149, 199, 385, 605, 745, 847, 995, 1043, 1393, 1639, 2189, 4235, 5215, 6965, 8195, 10945, 11473, 15323, 18029, 24079, 29651, 57365, 76615, 90145, 120395, 126203, 148255, 168553, 207557, 326161, 631015, 842765, 1037785, 1630805, 2283127, 3587771, 11415635, 17938855, 25114397, 125571985]

約数ペア:

[(1, 125571985), (5, 25114397), (7, 17938855), (11, 11415635), (35, 3587771), (55, 2283127), (77, 1630805), (121, 1037785), (149, 842765), (199, 631015), (385, 326161), (605, 207557), (745, 168553), (847, 148255), (995, 126203), (1043, 120395), (1393, 90145), (1639, 76615), (2189, 57365), (4235, 29651), (5215, 24079), (6965, 18029), (8195, 15323), (10945, 11473)]