71242580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{661}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 159150096

約数和(自身を除く): 87907516

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 317, 340, 634, 661, 1268, 1322, 1585, 2644, 3170, 3305, 5389, 6340, 6610, 10778, 11237, 13220, 21556, 22474, 26945, 44948, 53890, 56185, 107780, 112370, 209537, 224740, 419074, 838148, 1047685, 2095370, 3562129, 4190740, 7124258, 14248516, 17810645, 35621290, 71242580]

約数ペア:

[(1, 71242580), (2, 35621290), (4, 17810645), (5, 14248516), (10, 7124258), (17, 4190740), (20, 3562129), (34, 2095370), (68, 1047685), (85, 838148), (170, 419074), (317, 224740), (340, 209537), (634, 112370), (661, 107780), (1268, 56185), (1322, 53890), (1585, 44948), (2644, 26945), (3170, 22474), (3305, 21556), (5389, 13220), (6340, 11237), (6610, 10778)]