440018140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{30097}}^1$

素因数の和:30166

約数の個数: 48

約数和(自身を含む): 1001179872

約数和(自身を除く): 561161732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 30097, 60194, 120388, 150485, 300970, 511649, 601940, 1023298, 1294171, 2046596, 2558245, 2588342, 5116490, 5176684, 6470855, 10232980, 12941710, 22000907, 25883420, 44001814, 88003628, 110004535, 220009070, 440018140]

約数ペア:

[(1, 440018140), (2, 220009070), (4, 110004535), (5, 88003628), (10, 44001814), (17, 25883420), (20, 22000907), (34, 12941710), (43, 10232980), (68, 6470855), (85, 5176684), (86, 5116490), (170, 2588342), (172, 2558245), (215, 2046596), (340, 1294171), (430, 1023298), (731, 601940), (860, 511649), (1462, 300970), (2924, 150485), (3655, 120388), (7310, 60194), (14620, 30097)]