2015641000

素因数分解:

$2^3\times 5^3\times {\mathrm{1361}}^1\times {\mathrm{1481}}^1$

素因数の和:2863

約数の個数: 64

約数和(自身を含む): 4723252560

約数和(自身を除く): 2707611560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 1361, 1481, 2722, 2962, 5444, 5924, 6805, 7405, 10888, 11848, 13610, 14810, 27220, 29620, 34025, 37025, 54440, 59240, 68050, 74050, 136100, 148100, 170125, 185125, 272200, 296200, 340250, 370250, 680500, 740500, 1361000, 1481000, 2015641, 4031282, 8062564, 10078205, 16125128, 20156410, 40312820, 50391025, 80625640, 100782050, 201564100, 251955125, 403128200, 503910250, 1007820500, 2015641000]

約数ペア:

[(1, 2015641000), (2, 1007820500), (4, 503910250), (5, 403128200), (8, 251955125), (10, 201564100), (20, 100782050), (25, 80625640), (40, 50391025), (50, 40312820), (100, 20156410), (125, 16125128), (200, 10078205), (250, 8062564), (500, 4031282), (1000, 2015641), (1361, 1481000), (1481, 1361000), (2722, 740500), (2962, 680500), (5444, 370250), (5924, 340250), (6805, 296200), (7405, 272200), (10888, 185125), (11848, 170125), (13610, 148100), (14810, 136100), (27220, 74050), (29620, 68050), (34025, 59240), (37025, 54440)]