31287800

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{2143}}^1$

素因数の和:2232

約数の個数: 48

約数和(自身を含む): 73775040

約数和(自身を除く): 42487240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 200, 292, 365, 584, 730, 1460, 1825, 2143, 2920, 3650, 4286, 7300, 8572, 10715, 14600, 17144, 21430, 42860, 53575, 85720, 107150, 156439, 214300, 312878, 428600, 625756, 782195, 1251512, 1564390, 3128780, 3910975, 6257560, 7821950, 15643900, 31287800]

約数ペア:

[(1, 31287800), (2, 15643900), (4, 7821950), (5, 6257560), (8, 3910975), (10, 3128780), (20, 1564390), (25, 1251512), (40, 782195), (50, 625756), (73, 428600), (100, 312878), (146, 214300), (200, 156439), (292, 107150), (365, 85720), (584, 53575), (730, 42860), (1460, 21430), (1825, 17144), (2143, 14600), (2920, 10715), (3650, 8572), (4286, 7300)]