12746140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 30834720

約数和(自身を除く): 18088580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 229, 230, 242, 253, 458, 460, 484, 506, 605, 916, 1012, 1145, 1210, 1265, 2290, 2420, 2519, 2530, 2783, 4580, 5038, 5060, 5267, 5566, 10076, 10534, 11132, 12595, 13915, 21068, 25190, 26335, 27709, 27830, 50380, 52670, 55418, 55660, 57937, 105340, 110836, 115874, 138545, 231748, 277090, 289685, 554180, 579370, 637307, 1158740, 1274614, 2549228, 3186535, 6373070, 12746140]

約数ペア:

[(1, 12746140), (2, 6373070), (4, 3186535), (5, 2549228), (10, 1274614), (11, 1158740), (20, 637307), (22, 579370), (23, 554180), (44, 289685), (46, 277090), (55, 231748), (92, 138545), (110, 115874), (115, 110836), (121, 105340), (220, 57937), (229, 55660), (230, 55418), (242, 52670), (253, 50380), (458, 27830), (460, 27709), (484, 26335), (506, 25190), (605, 21068), (916, 13915), (1012, 12595), (1145, 11132), (1210, 10534), (1265, 10076), (2290, 5566), (2420, 5267), (2519, 5060), (2530, 5038), (2783, 4580)]