68012140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15671}}^1$

素因数の和:15718

約数の個数: 48

約数和(自身を含む): 168505344

約数和(自身を除く): 100493204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 15671, 31342, 62684, 78355, 109697, 156710, 219394, 313420, 438788, 485801, 548485, 971602, 1096970, 1943204, 2193940, 2429005, 3400607, 4858010, 6801214, 9716020, 13602428, 17003035, 34006070, 68012140]

約数ペア:

[(1, 68012140), (2, 34006070), (4, 17003035), (5, 13602428), (7, 9716020), (10, 6801214), (14, 4858010), (20, 3400607), (28, 2429005), (31, 2193940), (35, 1943204), (62, 1096970), (70, 971602), (124, 548485), (140, 485801), (155, 438788), (217, 313420), (310, 219394), (434, 156710), (620, 109697), (868, 78355), (1085, 62684), (2170, 31342), (4340, 15671)]