947745260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{87917}}^1$

素因数の和:87951

約数の個数: 72

約数和(自身を含む): 2525708304

約数和(自身を除く): 1577963044

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, 5390, 10780, 87917, 175834, 351668, 439585, 615419, 879170, 967087, 1230838, 1758340, 1934174, 2461676, 3077095, 3868348, 4307933, 4835435, 6154190, 6769609, 8615866, 9670870, 12308380, 13539218, 17231732, 19341740, 21539665, 27078436, 33848045, 43079330, 47387263, 67696090, 86158660, 94774526, 135392180, 189549052, 236936315, 473872630, 947745260]

約数ペア:

[(1, 947745260), (2, 473872630), (4, 236936315), (5, 189549052), (7, 135392180), (10, 94774526), (11, 86158660), (14, 67696090), (20, 47387263), (22, 43079330), (28, 33848045), (35, 27078436), (44, 21539665), (49, 19341740), (55, 17231732), (70, 13539218), (77, 12308380), (98, 9670870), (110, 8615866), (140, 6769609), (154, 6154190), (196, 4835435), (220, 4307933), (245, 3868348), (308, 3077095), (385, 2461676), (490, 1934174), (539, 1758340), (770, 1230838), (980, 967087), (1078, 879170), (1540, 615419), (2156, 439585), (2695, 351668), (5390, 175834), (10780, 87917)]