71583890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 153964800

約数和(自身を除く): 82380910

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 179, 197, 203, 290, 358, 394, 406, 895, 985, 1015, 1253, 1379, 1790, 1970, 2030, 2506, 2758, 5191, 5713, 6265, 6895, 10382, 11426, 12530, 13790, 25955, 28565, 35263, 36337, 39991, 51910, 57130, 70526, 72674, 79982, 176315, 181685, 199955, 246841, 352630, 363370, 399910, 493682, 1022627, 1234205, 2045254, 2468410, 5113135, 7158389, 10226270, 14316778, 35791945, 71583890]

約数ペア:

[(1, 71583890), (2, 35791945), (5, 14316778), (7, 10226270), (10, 7158389), (14, 5113135), (29, 2468410), (35, 2045254), (58, 1234205), (70, 1022627), (145, 493682), (179, 399910), (197, 363370), (203, 352630), (290, 246841), (358, 199955), (394, 181685), (406, 176315), (895, 79982), (985, 72674), (1015, 70526), (1253, 57130), (1379, 51910), (1790, 39991), (1970, 36337), (2030, 35263), (2506, 28565), (2758, 25955), (5191, 13790), (5713, 12530), (6265, 11426), (6895, 10382)]