168698980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{911}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 364041216

約数和(自身を除く): 195342236

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 197, 235, 394, 470, 788, 911, 940, 985, 1822, 1970, 3644, 3940, 4555, 9110, 9259, 18220, 18518, 37036, 42817, 46295, 85634, 92590, 171268, 179467, 185180, 214085, 358934, 428170, 717868, 856340, 897335, 1794670, 3589340, 8434949, 16869898, 33739796, 42174745, 84349490, 168698980]

約数ペア:

[(1, 168698980), (2, 84349490), (4, 42174745), (5, 33739796), (10, 16869898), (20, 8434949), (47, 3589340), (94, 1794670), (188, 897335), (197, 856340), (235, 717868), (394, 428170), (470, 358934), (788, 214085), (911, 185180), (940, 179467), (985, 171268), (1822, 92590), (1970, 85634), (3644, 46295), (3940, 42817), (4555, 37036), (9110, 18518), (9259, 18220)]