73357780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{661}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 160151040

約数和(自身を除く): 86793260

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 179, 310, 358, 620, 661, 716, 895, 1322, 1790, 2644, 3305, 3580, 5549, 6610, 11098, 13220, 20491, 22196, 27745, 40982, 55490, 81964, 102455, 110980, 118319, 204910, 236638, 409820, 473276, 591595, 1183190, 2366380, 3667889, 7335778, 14671556, 18339445, 36678890, 73357780]

約数ペア:

[(1, 73357780), (2, 36678890), (4, 18339445), (5, 14671556), (10, 7335778), (20, 3667889), (31, 2366380), (62, 1183190), (124, 591595), (155, 473276), (179, 409820), (310, 236638), (358, 204910), (620, 118319), (661, 110980), (716, 102455), (895, 81964), (1322, 55490), (1790, 40982), (2644, 27745), (3305, 22196), (3580, 20491), (5549, 13220), (6610, 11098)]