28733540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 66394944

約数和(自身を除く): 37661404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 997, 1310, 1441, 1994, 2620, 2882, 3988, 4985, 5764, 7205, 9970, 10967, 14410, 19940, 21934, 28820, 43868, 54835, 109670, 130607, 219340, 261214, 522428, 653035, 1306070, 1436677, 2612140, 2873354, 5746708, 7183385, 14366770, 28733540]

約数ペア:

[(1, 28733540), (2, 14366770), (4, 7183385), (5, 5746708), (10, 2873354), (11, 2612140), (20, 1436677), (22, 1306070), (44, 653035), (55, 522428), (110, 261214), (131, 219340), (220, 130607), (262, 109670), (524, 54835), (655, 43868), (997, 28820), (1310, 21934), (1441, 19940), (1994, 14410), (2620, 10967), (2882, 9970), (3988, 7205), (4985, 5764)]