262012840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{757}}^1$

素因数の和:1294

約数の個数: 64

約数和(自身を含む): 626259600

約数和(自身を除く): 364246760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 509, 680, 757, 1018, 1514, 2036, 2545, 3028, 3785, 4072, 5090, 6056, 7570, 8653, 10180, 12869, 15140, 17306, 20360, 25738, 30280, 34612, 43265, 51476, 64345, 69224, 86530, 102952, 128690, 173060, 257380, 346120, 385313, 514760, 770626, 1541252, 1926565, 3082504, 3853130, 6550321, 7706260, 13100642, 15412520, 26201284, 32751605, 52402568, 65503210, 131006420, 262012840]

約数ペア:

[(1, 262012840), (2, 131006420), (4, 65503210), (5, 52402568), (8, 32751605), (10, 26201284), (17, 15412520), (20, 13100642), (34, 7706260), (40, 6550321), (68, 3853130), (85, 3082504), (136, 1926565), (170, 1541252), (340, 770626), (509, 514760), (680, 385313), (757, 346120), (1018, 257380), (1514, 173060), (2036, 128690), (2545, 102952), (3028, 86530), (3785, 69224), (4072, 64345), (5090, 51476), (6056, 43265), (7570, 34612), (8653, 30280), (10180, 25738), (12869, 20360), (15140, 17306)]