256962020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{34631}}^1$

素因数の和:34700

約数の個数: 48

約数和(自身を含む): 628363008

約数和(自身を除く): 371400988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 34631, 69262, 138524, 173155, 242417, 346310, 484834, 692620, 969668, 1212085, 1835443, 2424170, 3670886, 4848340, 7341772, 9177215, 12848101, 18354430, 25696202, 36708860, 51392404, 64240505, 128481010, 256962020]

約数ペア:

[(1, 256962020), (2, 128481010), (4, 64240505), (5, 51392404), (7, 36708860), (10, 25696202), (14, 18354430), (20, 12848101), (28, 9177215), (35, 7341772), (53, 4848340), (70, 3670886), (106, 2424170), (140, 1835443), (212, 1212085), (265, 969668), (371, 692620), (530, 484834), (742, 346310), (1060, 242417), (1484, 173155), (1855, 138524), (3710, 69262), (7420, 34631)]