79961140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 197074080

約数和(自身を除く): 117112940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 587, 695, 973, 980, 1174, 1390, 1946, 2348, 2780, 2935, 3892, 4109, 4865, 5870, 6811, 8218, 9730, 11740, 13622, 16436, 19460, 20545, 27244, 28763, 34055, 41090, 57526, 68110, 81593, 82180, 115052, 136220, 143815, 163186, 287630, 326372, 407965, 571151, 575260, 815930, 1142302, 1631860, 2284604, 2855755, 3998057, 5711510, 7996114, 11423020, 15992228, 19990285, 39980570, 79961140]

約数ペア:

[(1, 79961140), (2, 39980570), (4, 19990285), (5, 15992228), (7, 11423020), (10, 7996114), (14, 5711510), (20, 3998057), (28, 2855755), (35, 2284604), (49, 1631860), (70, 1142302), (98, 815930), (139, 575260), (140, 571151), (196, 407965), (245, 326372), (278, 287630), (490, 163186), (556, 143815), (587, 136220), (695, 115052), (973, 82180), (980, 81593), (1174, 68110), (1390, 57526), (1946, 41090), (2348, 34055), (2780, 28763), (2935, 27244), (3892, 20545), (4109, 19460), (4865, 16436), (5870, 13622), (6811, 11740), (8218, 9730)]