66194740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 142002000

約数和(自身を除く): 75807260

約数列:

[1, 2, 4, 5, 10, 20, 97, 149, 194, 229, 298, 388, 458, 485, 596, 745, 916, 970, 1145, 1490, 1940, 2290, 2980, 4580, 14453, 22213, 28906, 34121, 44426, 57812, 68242, 72265, 88852, 111065, 136484, 144530, 170605, 222130, 289060, 341210, 444260, 682420, 3309737, 6619474, 13238948, 16548685, 33097370, 66194740]

約数ペア:

[(1, 66194740), (2, 33097370), (4, 16548685), (5, 13238948), (10, 6619474), (20, 3309737), (97, 682420), (149, 444260), (194, 341210), (229, 289060), (298, 222130), (388, 170605), (458, 144530), (485, 136484), (596, 111065), (745, 88852), (916, 72265), (970, 68242), (1145, 57812), (1490, 44426), (1940, 34121), (2290, 28906), (2980, 22213), (4580, 14453)]