83189140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 178354512

約数和(自身を除く): 95165372

約数列:

[1, 2, 4, 5, 10, 20, 97, 137, 194, 274, 313, 388, 485, 548, 626, 685, 970, 1252, 1370, 1565, 1940, 2740, 3130, 6260, 13289, 26578, 30361, 42881, 53156, 60722, 66445, 85762, 121444, 132890, 151805, 171524, 214405, 265780, 303610, 428810, 607220, 857620, 4159457, 8318914, 16637828, 20797285, 41594570, 83189140]

約数ペア:

[(1, 83189140), (2, 41594570), (4, 20797285), (5, 16637828), (10, 8318914), (20, 4159457), (97, 857620), (137, 607220), (194, 428810), (274, 303610), (313, 265780), (388, 214405), (485, 171524), (548, 151805), (626, 132890), (685, 121444), (970, 85762), (1252, 66445), (1370, 60722), (1565, 53156), (1940, 42881), (2740, 30361), (3130, 26578), (6260, 13289)]