142118620

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{20717}}^1$

素因数の和:20747

約数の個数: 48

約数和(自身を含む): 348062400

約数和(自身を除く): 205943780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 20717, 41434, 82868, 103585, 145019, 207170, 290038, 414340, 580076, 725095, 1015133, 1450190, 2030266, 2900380, 4060532, 5075665, 7105931, 10151330, 14211862, 20302660, 28423724, 35529655, 71059310, 142118620]

約数ペア:

[(1, 142118620), (2, 71059310), (4, 35529655), (5, 28423724), (7, 20302660), (10, 14211862), (14, 10151330), (20, 7105931), (28, 5075665), (35, 4060532), (49, 2900380), (70, 2030266), (98, 1450190), (140, 1015133), (196, 725095), (245, 580076), (343, 414340), (490, 290038), (686, 207170), (980, 145019), (1372, 103585), (1715, 82868), (3430, 41434), (6860, 20717)]