129571780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13469}}^1$

素因数の和:13528

約数の個数: 48

約数和(自身を含む): 300973680

約数和(自身を除く): 171401900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 13469, 26938, 53876, 67345, 134690, 175097, 269380, 350194, 498353, 700388, 875485, 996706, 1750970, 1993412, 2491765, 3501940, 4983530, 6478589, 9967060, 12957178, 25914356, 32392945, 64785890, 129571780]

約数ペア:

[(1, 129571780), (2, 64785890), (4, 32392945), (5, 25914356), (10, 12957178), (13, 9967060), (20, 6478589), (26, 4983530), (37, 3501940), (52, 2491765), (65, 1993412), (74, 1750970), (130, 996706), (148, 875485), (185, 700388), (260, 498353), (370, 350194), (481, 269380), (740, 175097), (962, 134690), (1924, 67345), (2405, 53876), (4810, 26938), (9620, 13469)]