215520040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283579}}^1$

素因数の和:283609

約数の個数: 32

約数和(自身を含む): 510444000

約数和(自身を除く): 294923960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 283579, 567158, 1134316, 1417895, 2268632, 2835790, 5388001, 5671580, 10776002, 11343160, 21552004, 26940005, 43104008, 53880010, 107760020, 215520040]

約数ペア:

[(1, 215520040), (2, 107760020), (4, 53880010), (5, 43104008), (8, 26940005), (10, 21552004), (19, 11343160), (20, 10776002), (38, 5671580), (40, 5388001), (76, 2835790), (95, 2268632), (152, 1417895), (190, 1134316), (380, 567158), (760, 283579)]