389733760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 1013594400

約数和(自身を除く): 623860640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 139, 160, 208, 260, 278, 320, 337, 416, 520, 556, 640, 674, 695, 832, 1040, 1112, 1348, 1390, 1664, 1685, 1807, 2080, 2224, 2696, 2780, 3370, 3614, 4160, 4381, 4448, 5392, 5560, 6740, 7228, 8320, 8762, 8896, 9035, 10784, 11120, 13480, 14456, 17524, 17792, 18070, 21568, 21905, 22240, 26960, 28912, 35048, 36140, 43136, 43810, 44480, 46843, 53920, 57824, 70096, 72280, 87620, 88960, 93686, 107840, 115648, 140192, 144560, 175240, 187372, 215680, 231296, 234215, 280384, 289120, 350480, 374744, 468430, 560768, 578240, 608959, 700960, 749488, 936860, 1156480, 1217918, 1401920, 1498976, 1873720, 2435836, 2803840, 2997952, 3044795, 3747440, 4871672, 5995904, 6089590, 7494880, 9743344, 12179180, 14989760, 19486688, 24358360, 29979520, 38973376, 48716720, 77946752, 97433440, 194866880, 389733760]

約数ペア:

[(1, 389733760), (2, 194866880), (4, 97433440), (5, 77946752), (8, 48716720), (10, 38973376), (13, 29979520), (16, 24358360), (20, 19486688), (26, 14989760), (32, 12179180), (40, 9743344), (52, 7494880), (64, 6089590), (65, 5995904), (80, 4871672), (104, 3747440), (128, 3044795), (130, 2997952), (139, 2803840), (160, 2435836), (208, 1873720), (260, 1498976), (278, 1401920), (320, 1217918), (337, 1156480), (416, 936860), (520, 749488), (556, 700960), (640, 608959), (674, 578240), (695, 560768), (832, 468430), (1040, 374744), (1112, 350480), (1348, 289120), (1390, 280384), (1664, 234215), (1685, 231296), (1807, 215680), (2080, 187372), (2224, 175240), (2696, 144560), (2780, 140192), (3370, 115648), (3614, 107840), (4160, 93686), (4381, 88960), (4448, 87620), (5392, 72280), (5560, 70096), (6740, 57824), (7228, 53920), (8320, 46843), (8762, 44480), (8896, 43810), (9035, 43136), (10784, 36140), (11120, 35048), (13480, 28912), (14456, 26960), (17524, 22240), (17792, 21905), (18070, 21568)]