30408032620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{442363}}^1$

素因数の和:442870

約数の個数: 48

約数和(自身を含む): 73128077568

約数和(自身を除く): 42720044948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1964, 2455, 3437, 4910, 6874, 9820, 13748, 17185, 34370, 68740, 442363, 884726, 1769452, 2211815, 3096541, 4423630, 6193082, 8847260, 12386164, 15482705, 30965410, 61930820, 217200233, 434400466, 868800932, 1086001165, 1520401631, 2172002330, 3040803262, 4344004660, 6081606524, 7602008155, 15204016310, 30408032620]

約数ペア:

[(1, 30408032620), (2, 15204016310), (4, 7602008155), (5, 6081606524), (7, 4344004660), (10, 3040803262), (14, 2172002330), (20, 1520401631), (28, 1086001165), (35, 868800932), (70, 434400466), (140, 217200233), (491, 61930820), (982, 30965410), (1964, 15482705), (2455, 12386164), (3437, 8847260), (4910, 6193082), (6874, 4423630), (9820, 3096541), (13748, 2211815), (17185, 1769452), (34370, 884726), (68740, 442363)]