2419780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 5878656

約数和(自身を除く): 3458876

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 647, 748, 935, 1294, 1870, 2588, 3235, 3740, 6470, 7117, 10999, 12940, 14234, 21998, 28468, 35585, 43996, 54995, 71170, 109990, 120989, 142340, 219980, 241978, 483956, 604945, 1209890, 2419780]

約数ペア:

[(1, 2419780), (2, 1209890), (4, 604945), (5, 483956), (10, 241978), (11, 219980), (17, 142340), (20, 120989), (22, 109990), (34, 71170), (44, 54995), (55, 43996), (68, 35585), (85, 28468), (110, 21998), (170, 14234), (187, 12940), (220, 10999), (340, 7117), (374, 6470), (647, 3740), (748, 3235), (935, 2588), (1294, 1870)]