71013320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 184135680

約数和(自身を除く): 113122360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 1997, 2540, 3556, 3994, 4445, 5080, 7112, 7988, 8890, 9985, 13979, 15976, 17780, 19970, 27958, 35560, 39940, 55916, 69895, 79880, 111832, 139790, 253619, 279580, 507238, 559160, 1014476, 1268095, 1775333, 2028952, 2536190, 3550666, 5072380, 7101332, 8876665, 10144760, 14202664, 17753330, 35506660, 71013320]

約数ペア:

[(1, 71013320), (2, 35506660), (4, 17753330), (5, 14202664), (7, 10144760), (8, 8876665), (10, 7101332), (14, 5072380), (20, 3550666), (28, 2536190), (35, 2028952), (40, 1775333), (56, 1268095), (70, 1014476), (127, 559160), (140, 507238), (254, 279580), (280, 253619), (508, 139790), (635, 111832), (889, 79880), (1016, 69895), (1270, 55916), (1778, 39940), (1997, 35560), (2540, 27958), (3556, 19970), (3994, 17780), (4445, 15976), (5080, 13979), (7112, 9985), (7988, 8890)]