1622140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 3894912

約数和(自身を除く): 2272772

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 367, 442, 734, 884, 1105, 1468, 1835, 2210, 3670, 4420, 4771, 6239, 7340, 9542, 12478, 19084, 23855, 24956, 31195, 47710, 62390, 81107, 95420, 124780, 162214, 324428, 405535, 811070, 1622140]

約数ペア:

[(1, 1622140), (2, 811070), (4, 405535), (5, 324428), (10, 162214), (13, 124780), (17, 95420), (20, 81107), (26, 62390), (34, 47710), (52, 31195), (65, 24956), (68, 23855), (85, 19084), (130, 12478), (170, 9542), (221, 7340), (260, 6239), (340, 4771), (367, 4420), (442, 3670), (734, 2210), (884, 1835), (1105, 1468)]