142719980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5659}}^1$

素因数の和:5778

約数の個数: 48

約数和(自身を含む): 326151840

約数和(自身を除く): 183431860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 5044, 5659, 6305, 11318, 12610, 22636, 25220, 28295, 56590, 73567, 113180, 147134, 294268, 367835, 548923, 735670, 1097846, 1471340, 2195692, 2744615, 5489230, 7135999, 10978460, 14271998, 28543996, 35679995, 71359990, 142719980]

約数ペア:

[(1, 142719980), (2, 71359990), (4, 35679995), (5, 28543996), (10, 14271998), (13, 10978460), (20, 7135999), (26, 5489230), (52, 2744615), (65, 2195692), (97, 1471340), (130, 1097846), (194, 735670), (260, 548923), (388, 367835), (485, 294268), (970, 147134), (1261, 113180), (1940, 73567), (2522, 56590), (5044, 28295), (5659, 25220), (6305, 22636), (11318, 12610)]