1377334280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{20411}}^1$

素因数の和:20670

約数の個数: 64

約数和(自身を含む): 3556586880

約数和(自身を除く): 2179252600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 1205, 1687, 1928, 2410, 3374, 4820, 6748, 8435, 9640, 13496, 16870, 20411, 33740, 40822, 67480, 81644, 102055, 142877, 163288, 204110, 285754, 408220, 571508, 714385, 816440, 1143016, 1428770, 2857540, 4919051, 5715080, 9838102, 19676204, 24595255, 34433357, 39352408, 49190510, 68866714, 98381020, 137733428, 172166785, 196762040, 275466856, 344333570, 688667140, 1377334280]

約数ペア:

[(1, 1377334280), (2, 688667140), (4, 344333570), (5, 275466856), (7, 196762040), (8, 172166785), (10, 137733428), (14, 98381020), (20, 68866714), (28, 49190510), (35, 39352408), (40, 34433357), (56, 24595255), (70, 19676204), (140, 9838102), (241, 5715080), (280, 4919051), (482, 2857540), (964, 1428770), (1205, 1143016), (1687, 816440), (1928, 714385), (2410, 571508), (3374, 408220), (4820, 285754), (6748, 204110), (8435, 163288), (9640, 142877), (13496, 102055), (16870, 81644), (20411, 67480), (33740, 40822)]