31445260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2917}}^1$

素因数の和:2951

約数の個数: 72

約数和(自身を含む): 83828304

約数和(自身を除く): 52383044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 2917, 5390, 5834, 10780, 11668, 14585, 20419, 29170, 32087, 40838, 58340, 64174, 81676, 102095, 128348, 142933, 160435, 204190, 224609, 285866, 320870, 408380, 449218, 571732, 641740, 714665, 898436, 1123045, 1429330, 1572263, 2246090, 2858660, 3144526, 4492180, 6289052, 7861315, 15722630, 31445260]

約数ペア:

[(1, 31445260), (2, 15722630), (4, 7861315), (5, 6289052), (7, 4492180), (10, 3144526), (11, 2858660), (14, 2246090), (20, 1572263), (22, 1429330), (28, 1123045), (35, 898436), (44, 714665), (49, 641740), (55, 571732), (70, 449218), (77, 408380), (98, 320870), (110, 285866), (140, 224609), (154, 204190), (196, 160435), (220, 142933), (245, 128348), (308, 102095), (385, 81676), (490, 64174), (539, 58340), (770, 40838), (980, 32087), (1078, 29170), (1540, 20419), (2156, 14585), (2695, 11668), (2917, 10780), (5390, 5834)]