98390980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 214015536

約数和(自身を除く): 115624556

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1237, 1940, 2474, 3977, 4948, 6185, 7954, 12370, 15908, 19885, 24740, 39770, 50717, 79540, 101434, 119989, 202868, 239978, 253585, 479956, 507170, 599945, 1014340, 1199890, 2399780, 4919549, 9839098, 19678196, 24597745, 49195490, 98390980]

約数ペア:

[(1, 98390980), (2, 49195490), (4, 24597745), (5, 19678196), (10, 9839098), (20, 4919549), (41, 2399780), (82, 1199890), (97, 1014340), (164, 599945), (194, 507170), (205, 479956), (388, 253585), (410, 239978), (485, 202868), (820, 119989), (970, 101434), (1237, 79540), (1940, 50717), (2474, 39770), (3977, 24740), (4948, 19885), (6185, 15908), (7954, 12370)]