408992080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19739}}^1$

素因数の和:19796

約数の個数: 80

約数和(自身を含む): 1116178560

約数和(自身を除く): 707186480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 10360, 19739, 20720, 39478, 78956, 98695, 138173, 157912, 197390, 276346, 315824, 394780, 552692, 690865, 730343, 789560, 1105384, 1381730, 1460686, 1579120, 2210768, 2763460, 2921372, 3651715, 5112401, 5526920, 5842744, 7303430, 10224802, 11053840, 11685488, 14606860, 20449604, 25562005, 29213720, 40899208, 51124010, 58427440, 81798416, 102248020, 204496040, 408992080]

約数ペア:

[(1, 408992080), (2, 204496040), (4, 102248020), (5, 81798416), (7, 58427440), (8, 51124010), (10, 40899208), (14, 29213720), (16, 25562005), (20, 20449604), (28, 14606860), (35, 11685488), (37, 11053840), (40, 10224802), (56, 7303430), (70, 5842744), (74, 5526920), (80, 5112401), (112, 3651715), (140, 2921372), (148, 2763460), (185, 2210768), (259, 1579120), (280, 1460686), (296, 1381730), (370, 1105384), (518, 789560), (560, 730343), (592, 690865), (740, 552692), (1036, 394780), (1295, 315824), (1480, 276346), (2072, 197390), (2590, 157912), (2960, 138173), (4144, 98695), (5180, 78956), (10360, 39478), (19739, 20720)]