1900789720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2795279}}^1$

素因数の和:2795307

約数の個数: 32

約数和(自身を含む): 4528353600

約数和(自身を除く): 2627563880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2795279, 5590558, 11181116, 13976395, 22362232, 27952790, 47519743, 55905580, 95039486, 111811160, 190078972, 237598715, 380157944, 475197430, 950394860, 1900789720]

約数ペア:

[(1, 1900789720), (2, 950394860), (4, 475197430), (5, 380157944), (8, 237598715), (10, 190078972), (17, 111811160), (20, 95039486), (34, 55905580), (40, 47519743), (68, 27952790), (85, 22362232), (136, 13976395), (170, 11181116), (340, 5590558), (680, 2795279)]