856551730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{24907}}^1$

素因数の和:25114

約数の個数: 32

約数和(自身を含む): 1631972160

約数和(自身を除く): 775420430

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 905, 1810, 3439, 6878, 17195, 24907, 34390, 49814, 124535, 249070, 473233, 946466, 2366165, 4508167, 4732330, 9016334, 22540835, 45081670, 85655173, 171310346, 428275865, 856551730]

約数ペア:

[(1, 856551730), (2, 428275865), (5, 171310346), (10, 85655173), (19, 45081670), (38, 22540835), (95, 9016334), (181, 4732330), (190, 4508167), (362, 2366165), (905, 946466), (1810, 473233), (3439, 249070), (6878, 124535), (17195, 49814), (24907, 34390)]