390478760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{37691}}^1$

素因数の和:37746

約数の個数: 64

約数和(自身を含む): 1031253120

約数和(自身を除く): 640774360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 37691, 75382, 150764, 188455, 263837, 301528, 376910, 527674, 753820, 1055348, 1319185, 1394567, 1507640, 2110696, 2638370, 2789134, 5276740, 5578268, 6972835, 9761969, 10553480, 11156536, 13945670, 19523938, 27891340, 39047876, 48809845, 55782680, 78095752, 97619690, 195239380, 390478760]

約数ペア:

[(1, 390478760), (2, 195239380), (4, 97619690), (5, 78095752), (7, 55782680), (8, 48809845), (10, 39047876), (14, 27891340), (20, 19523938), (28, 13945670), (35, 11156536), (37, 10553480), (40, 9761969), (56, 6972835), (70, 5578268), (74, 5276740), (140, 2789134), (148, 2638370), (185, 2110696), (259, 1507640), (280, 1394567), (296, 1319185), (370, 1055348), (518, 753820), (740, 527674), (1036, 376910), (1295, 301528), (1480, 263837), (2072, 188455), (2590, 150764), (5180, 75382), (10360, 37691)]