144494140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{521}}^1$

素因数の和:827

約数の個数: 72

約数和(自身を含む): 354905712

約数和(自身を除く): 210411572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 283, 490, 521, 566, 980, 1042, 1132, 1415, 1981, 2084, 2605, 2830, 3647, 3962, 5210, 5660, 7294, 7924, 9905, 10420, 13867, 14588, 18235, 19810, 25529, 27734, 36470, 39620, 51058, 55468, 69335, 72940, 102116, 127645, 138670, 147443, 255290, 277340, 294886, 510580, 589772, 737215, 1032101, 1474430, 2064202, 2948860, 4128404, 5160505, 7224707, 10321010, 14449414, 20642020, 28898828, 36123535, 72247070, 144494140]

約数ペア:

[(1, 144494140), (2, 72247070), (4, 36123535), (5, 28898828), (7, 20642020), (10, 14449414), (14, 10321010), (20, 7224707), (28, 5160505), (35, 4128404), (49, 2948860), (70, 2064202), (98, 1474430), (140, 1032101), (196, 737215), (245, 589772), (283, 510580), (490, 294886), (521, 277340), (566, 255290), (980, 147443), (1042, 138670), (1132, 127645), (1415, 102116), (1981, 72940), (2084, 69335), (2605, 55468), (2830, 51058), (3647, 39620), (3962, 36470), (5210, 27734), (5660, 25529), (7294, 19810), (7924, 18235), (9905, 14588), (10420, 13867)]