22212940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 49851648

約数和(自身を除く): 27638708

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1123, 1978, 2246, 3956, 4492, 4945, 5615, 9890, 11230, 19780, 22460, 25829, 48289, 51658, 96578, 103316, 129145, 193156, 241445, 258290, 482890, 516580, 965780, 1110647, 2221294, 4442588, 5553235, 11106470, 22212940]

約数ペア:

[(1, 22212940), (2, 11106470), (4, 5553235), (5, 4442588), (10, 2221294), (20, 1110647), (23, 965780), (43, 516580), (46, 482890), (86, 258290), (92, 241445), (115, 193156), (172, 129145), (215, 103316), (230, 96578), (430, 51658), (460, 48289), (860, 25829), (989, 22460), (1123, 19780), (1978, 11230), (2246, 9890), (3956, 5615), (4492, 4945)]