697340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 1778112

約数和(自身を除く): 1080772

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 293, 340, 476, 586, 595, 1172, 1190, 1465, 2051, 2380, 2930, 4102, 4981, 5860, 8204, 9962, 10255, 19924, 20510, 24905, 34867, 41020, 49810, 69734, 99620, 139468, 174335, 348670, 697340]

約数ペア:

[(1, 697340), (2, 348670), (4, 174335), (5, 139468), (7, 99620), (10, 69734), (14, 49810), (17, 41020), (20, 34867), (28, 24905), (34, 20510), (35, 19924), (68, 10255), (70, 9962), (85, 8204), (119, 5860), (140, 4981), (170, 4102), (238, 2930), (293, 2380), (340, 2051), (476, 1465), (586, 1190), (595, 1172)]