788890780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{7919}}^1$

素因数の和:8238

約数の個数: 48

約数和(自身を含む): 1760330880

約数和(自身を除く): 971440100

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 293, 340, 586, 1172, 1465, 2930, 4981, 5860, 7919, 9962, 15838, 19924, 24905, 31676, 39595, 49810, 79190, 99620, 134623, 158380, 269246, 538492, 673115, 1346230, 2320267, 2692460, 4640534, 9281068, 11601335, 23202670, 39444539, 46405340, 78889078, 157778156, 197222695, 394445390, 788890780]

約数ペア:

[(1, 788890780), (2, 394445390), (4, 197222695), (5, 157778156), (10, 78889078), (17, 46405340), (20, 39444539), (34, 23202670), (68, 11601335), (85, 9281068), (170, 4640534), (293, 2692460), (340, 2320267), (586, 1346230), (1172, 673115), (1465, 538492), (2930, 269246), (4981, 158380), (5860, 134623), (7919, 99620), (9962, 79190), (15838, 49810), (19924, 39595), (24905, 31676)]