91127620

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 195592320

約数和(自身を除く): 104464700

約数列:

[1, 2, 4, 5, 10, 20, 97, 107, 194, 214, 388, 428, 439, 485, 535, 878, 970, 1070, 1756, 1940, 2140, 2195, 4390, 8780, 10379, 20758, 41516, 42583, 46973, 51895, 85166, 93946, 103790, 170332, 187892, 207580, 212915, 234865, 425830, 469730, 851660, 939460, 4556381, 9112762, 18225524, 22781905, 45563810, 91127620]

約数ペア:

[(1, 91127620), (2, 45563810), (4, 22781905), (5, 18225524), (10, 9112762), (20, 4556381), (97, 939460), (107, 851660), (194, 469730), (214, 425830), (388, 234865), (428, 212915), (439, 207580), (485, 187892), (535, 170332), (878, 103790), (970, 93946), (1070, 85166), (1756, 51895), (1940, 46973), (2140, 42583), (2195, 41516), (4390, 20758), (8780, 10379)]