216510340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{1153}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 468200880

約数和(自身を除く): 251690540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 229, 410, 458, 820, 916, 1145, 1153, 2290, 2306, 4580, 4612, 5765, 9389, 11530, 18778, 23060, 37556, 46945, 47273, 93890, 94546, 187780, 189092, 236365, 264037, 472730, 528074, 945460, 1056148, 1320185, 2640370, 5280740, 10825517, 21651034, 43302068, 54127585, 108255170, 216510340]

約数ペア:

[(1, 216510340), (2, 108255170), (4, 54127585), (5, 43302068), (10, 21651034), (20, 10825517), (41, 5280740), (82, 2640370), (164, 1320185), (205, 1056148), (229, 945460), (410, 528074), (458, 472730), (820, 264037), (916, 236365), (1145, 189092), (1153, 187780), (2290, 94546), (2306, 93890), (4580, 47273), (4612, 46945), (5765, 37556), (9389, 23060), (11530, 18778)]