28690890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1043

約数の個数: 64

約数和(自身を含む): 73598976

約数和(自身を除く): 44908086

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 690, 967, 989, 1290, 1934, 1978, 2901, 2967, 4835, 4945, 5802, 5934, 9670, 9890, 14505, 14835, 22241, 29010, 29670, 41581, 44482, 66723, 83162, 111205, 124743, 133446, 207905, 222410, 249486, 333615, 415810, 623715, 667230, 956363, 1247430, 1912726, 2869089, 4781815, 5738178, 9563630, 14345445, 28690890]

約数ペア:

[(1, 28690890), (2, 14345445), (3, 9563630), (5, 5738178), (6, 4781815), (10, 2869089), (15, 1912726), (23, 1247430), (30, 956363), (43, 667230), (46, 623715), (69, 415810), (86, 333615), (115, 249486), (129, 222410), (138, 207905), (215, 133446), (230, 124743), (258, 111205), (345, 83162), (430, 66723), (645, 44482), (690, 41581), (967, 29670), (989, 29010), (1290, 22241), (1934, 14835), (1978, 14505), (2901, 9890), (2967, 9670), (4835, 5934), (4945, 5802)]