2683240

素因数分解:

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

素因数の和:99

約数の個数: 72

約数和(自身を含む): 7217910

約数和(自身を除く): 4534670

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 740, 980, 1036, 1295, 1369, 1480, 1813, 1960, 2072, 2590, 2738, 3626, 5180, 5476, 6845, 7252, 9065, 9583, 10360, 10952, 13690, 14504, 18130, 19166, 27380, 36260, 38332, 47915, 54760, 67081, 72520, 76664, 95830, 134162, 191660, 268324, 335405, 383320, 536648, 670810, 1341620, 2683240]

約数ペア:

[(1, 2683240), (2, 1341620), (4, 670810), (5, 536648), (7, 383320), (8, 335405), (10, 268324), (14, 191660), (20, 134162), (28, 95830), (35, 76664), (37, 72520), (40, 67081), (49, 54760), (56, 47915), (70, 38332), (74, 36260), (98, 27380), (140, 19166), (148, 18130), (185, 14504), (196, 13690), (245, 10952), (259, 10360), (280, 9583), (296, 9065), (370, 7252), (392, 6845), (490, 5476), (518, 5180), (740, 3626), (980, 2738), (1036, 2590), (1295, 2072), (1369, 1960), (1480, 1813)]