280291280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{94693}}^1$

素因数の和:94743

約数の個数: 40

約数和(自身を含む): 669297192

約数和(自身を除く): 389005912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 94693, 189386, 378772, 473465, 757544, 946930, 1515088, 1893860, 3503641, 3787720, 7007282, 7575440, 14014564, 17518205, 28029128, 35036410, 56058256, 70072820, 140145640, 280291280]

約数ペア:

[(1, 280291280), (2, 140145640), (4, 70072820), (5, 56058256), (8, 35036410), (10, 28029128), (16, 17518205), (20, 14014564), (37, 7575440), (40, 7007282), (74, 3787720), (80, 3503641), (148, 1893860), (185, 1515088), (296, 946930), (370, 757544), (592, 473465), (740, 378772), (1480, 189386), (2960, 94693)]