318975440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{569599}}^1$

素因数の和:569619

約数の個数: 40

約数和(自身を含む): 847564800

約数和(自身を除く): 528589360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 569599, 1139198, 2278396, 2847995, 3987193, 4556792, 5695990, 7974386, 9113584, 11391980, 15948772, 19935965, 22783960, 31897544, 39871930, 45567920, 63795088, 79743860, 159487720, 318975440]

約数ペア:

[(1, 318975440), (2, 159487720), (4, 79743860), (5, 63795088), (7, 45567920), (8, 39871930), (10, 31897544), (14, 22783960), (16, 19935965), (20, 15948772), (28, 11391980), (35, 9113584), (40, 7974386), (56, 5695990), (70, 4556792), (80, 3987193), (112, 2847995), (140, 2278396), (280, 1139198), (560, 569599)]