450556820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{21313}}^1$

素因数の和:21480

約数の個数: 48

約数和(自身を含む): 1088548608

約数和(自身を除く): 637991788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 3020, 4228, 5285, 10570, 21140, 21313, 42626, 85252, 106565, 149191, 213130, 298382, 426260, 596764, 745955, 1491910, 2983820, 3218263, 6436526, 12873052, 16091315, 22527841, 32182630, 45055682, 64365260, 90111364, 112639205, 225278410, 450556820]

約数ペア:

[(1, 450556820), (2, 225278410), (4, 112639205), (5, 90111364), (7, 64365260), (10, 45055682), (14, 32182630), (20, 22527841), (28, 16091315), (35, 12873052), (70, 6436526), (140, 3218263), (151, 2983820), (302, 1491910), (604, 745955), (755, 596764), (1057, 426260), (1510, 298382), (2114, 213130), (3020, 149191), (4228, 106565), (5285, 85252), (10570, 42626), (21140, 21313)]