198967670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 404212032

約数和(自身を除く): 205244362

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 157, 205, 281, 314, 410, 451, 562, 785, 902, 1405, 1570, 1727, 2255, 2810, 3091, 3454, 4510, 6182, 6437, 8635, 11521, 12874, 15455, 17270, 23042, 30910, 32185, 44117, 57605, 64370, 70807, 88234, 115210, 126731, 141614, 220585, 253462, 354035, 441170, 485287, 633655, 708070, 970574, 1267310, 1808797, 2426435, 3617594, 4852870, 9043985, 18087970, 19896767, 39793534, 99483835, 198967670]

約数ペア:

[(1, 198967670), (2, 99483835), (5, 39793534), (10, 19896767), (11, 18087970), (22, 9043985), (41, 4852870), (55, 3617594), (82, 2426435), (110, 1808797), (157, 1267310), (205, 970574), (281, 708070), (314, 633655), (410, 485287), (451, 441170), (562, 354035), (785, 253462), (902, 220585), (1405, 141614), (1570, 126731), (1727, 115210), (2255, 88234), (2810, 70807), (3091, 64370), (3454, 57605), (4510, 44117), (6182, 32185), (6437, 30910), (8635, 23042), (11521, 17270), (12874, 15455)]