145619180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1069}}^1$

素因数の和:1231

約数の個数: 72

約数和(自身を含む): 358621200

約数和(自身を除く): 213002020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 695, 973, 980, 1069, 1390, 1946, 2138, 2780, 3892, 4276, 4865, 5345, 6811, 7483, 9730, 10690, 13622, 14966, 19460, 21380, 27244, 29932, 34055, 37415, 52381, 68110, 74830, 104762, 136220, 148591, 149660, 209524, 261905, 297182, 523810, 594364, 742955, 1040137, 1047620, 1485910, 2080274, 2971820, 4160548, 5200685, 7280959, 10401370, 14561918, 20802740, 29123836, 36404795, 72809590, 145619180]

約数ペア:

[(1, 145619180), (2, 72809590), (4, 36404795), (5, 29123836), (7, 20802740), (10, 14561918), (14, 10401370), (20, 7280959), (28, 5200685), (35, 4160548), (49, 2971820), (70, 2080274), (98, 1485910), (139, 1047620), (140, 1040137), (196, 742955), (245, 594364), (278, 523810), (490, 297182), (556, 261905), (695, 209524), (973, 149660), (980, 148591), (1069, 136220), (1390, 104762), (1946, 74830), (2138, 68110), (2780, 52381), (3892, 37415), (4276, 34055), (4865, 29932), (5345, 27244), (6811, 21380), (7483, 19460), (9730, 14966), (10690, 13622)]