215699960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{110051}}^1$

素因数の和:110076

約数の個数: 48

約数和(自身を含む): 564566760

約数和(自身を除く): 348866800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 110051, 220102, 440204, 550255, 770357, 880408, 1100510, 1540714, 2201020, 3081428, 3851785, 4402040, 5392499, 6162856, 7703570, 10784998, 15407140, 21569996, 26962495, 30814280, 43139992, 53924990, 107849980, 215699960]

約数ペア:

[(1, 215699960), (2, 107849980), (4, 53924990), (5, 43139992), (7, 30814280), (8, 26962495), (10, 21569996), (14, 15407140), (20, 10784998), (28, 7703570), (35, 6162856), (40, 5392499), (49, 4402040), (56, 3851785), (70, 3081428), (98, 2201020), (140, 1540714), (196, 1100510), (245, 880408), (280, 770357), (392, 550255), (490, 440204), (980, 220102), (1960, 110051)]