68399540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{4259}}^1$

素因数の和:4352

約数の個数: 48

約数和(自身を含む): 158880960

約数和(自身を除く): 90481420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 4259, 8030, 8518, 16060, 17036, 21295, 42590, 46849, 85180, 93698, 187396, 234245, 310907, 468490, 621814, 936980, 1243628, 1554535, 3109070, 3419977, 6218140, 6839954, 13679908, 17099885, 34199770, 68399540]

約数ペア:

[(1, 68399540), (2, 34199770), (4, 17099885), (5, 13679908), (10, 6839954), (11, 6218140), (20, 3419977), (22, 3109070), (44, 1554535), (55, 1243628), (73, 936980), (110, 621814), (146, 468490), (220, 310907), (292, 234245), (365, 187396), (730, 93698), (803, 85180), (1460, 46849), (1606, 42590), (3212, 21295), (4015, 17036), (4259, 16060), (8030, 8518)]