87594220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20183}}^1$

素因数の和:20230

約数の個数: 48

約数和(自身を含む): 217018368

約数和(自身を除く): 129424148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 20183, 40366, 80732, 100915, 141281, 201830, 282562, 403660, 565124, 625673, 706405, 1251346, 1412810, 2502692, 2825620, 3128365, 4379711, 6256730, 8759422, 12513460, 17518844, 21898555, 43797110, 87594220]

約数ペア:

[(1, 87594220), (2, 43797110), (4, 21898555), (5, 17518844), (7, 12513460), (10, 8759422), (14, 6256730), (20, 4379711), (28, 3128365), (31, 2825620), (35, 2502692), (62, 1412810), (70, 1251346), (124, 706405), (140, 625673), (155, 565124), (217, 403660), (310, 282562), (434, 201830), (620, 141281), (868, 100915), (1085, 80732), (2170, 40366), (4340, 20183)]