1969968130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{4027}}^1$

素因数の和:4171

約数の個数: 64

約数和(自身を含む): 3946537728

約数和(自身を除く): 1976569598

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 71, 106, 130, 142, 265, 355, 530, 689, 710, 923, 1378, 1846, 3445, 3763, 4027, 4615, 6890, 7526, 8054, 9230, 18815, 20135, 37630, 40270, 48919, 52351, 97838, 104702, 213431, 244595, 261755, 285917, 426862, 489190, 523510, 571834, 1067155, 1429585, 2134310, 2774603, 2859170, 3716921, 5549206, 7433842, 13873015, 15153601, 18584605, 27746030, 30307202, 37169210, 75768005, 151536010, 196996813, 393993626, 984984065, 1969968130]

約数ペア:

[(1, 1969968130), (2, 984984065), (5, 393993626), (10, 196996813), (13, 151536010), (26, 75768005), (53, 37169210), (65, 30307202), (71, 27746030), (106, 18584605), (130, 15153601), (142, 13873015), (265, 7433842), (355, 5549206), (530, 3716921), (689, 2859170), (710, 2774603), (923, 2134310), (1378, 1429585), (1846, 1067155), (3445, 571834), (3763, 523510), (4027, 489190), (4615, 426862), (6890, 285917), (7526, 261755), (8054, 244595), (9230, 213431), (18815, 104702), (20135, 97838), (37630, 52351), (40270, 48919)]