201227960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{116993}}^1$

素因数の和:117047

約数の個数: 32

約数和(自身を含む): 463296240

約数和(自身を除く): 262068280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 116993, 233986, 467972, 584965, 935944, 1169930, 2339860, 4679720, 5030699, 10061398, 20122796, 25153495, 40245592, 50306990, 100613980, 201227960]

約数ペア:

[(1, 201227960), (2, 100613980), (4, 50306990), (5, 40245592), (8, 25153495), (10, 20122796), (20, 10061398), (40, 5030699), (43, 4679720), (86, 2339860), (172, 1169930), (215, 935944), (344, 584965), (430, 467972), (860, 233986), (1720, 116993)]