1242140740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1\times {\mathrm{1753}}^1$

素因数の和:2332

約数の個数: 48

約数和(自身を含む): 2652048000

約数和(自身を除く): 1409907260

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 499, 710, 998, 1420, 1753, 1996, 2495, 3506, 4990, 7012, 8765, 9980, 17530, 35060, 35429, 70858, 124463, 141716, 177145, 248926, 354290, 497852, 622315, 708580, 874747, 1244630, 1749494, 2489260, 3498988, 4373735, 8747470, 17494940, 62107037, 124214074, 248428148, 310535185, 621070370, 1242140740]

約数ペア:

[(1, 1242140740), (2, 621070370), (4, 310535185), (5, 248428148), (10, 124214074), (20, 62107037), (71, 17494940), (142, 8747470), (284, 4373735), (355, 3498988), (499, 2489260), (710, 1749494), (998, 1244630), (1420, 874747), (1753, 708580), (1996, 622315), (2495, 497852), (3506, 354290), (4990, 248926), (7012, 177145), (8765, 141716), (9980, 124463), (17530, 70858), (35060, 35429)]