22748740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 56306880

約数和(自身を除く): 33558140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 167, 196, 245, 278, 334, 490, 556, 668, 695, 835, 973, 980, 1169, 1390, 1670, 1946, 2338, 2780, 3340, 3892, 4676, 4865, 5845, 6811, 8183, 9730, 11690, 13622, 16366, 19460, 23213, 23380, 27244, 32732, 34055, 40915, 46426, 68110, 81830, 92852, 116065, 136220, 162491, 163660, 232130, 324982, 464260, 649964, 812455, 1137437, 1624910, 2274874, 3249820, 4549748, 5687185, 11374370, 22748740]

約数ペア:

[(1, 22748740), (2, 11374370), (4, 5687185), (5, 4549748), (7, 3249820), (10, 2274874), (14, 1624910), (20, 1137437), (28, 812455), (35, 649964), (49, 464260), (70, 324982), (98, 232130), (139, 163660), (140, 162491), (167, 136220), (196, 116065), (245, 92852), (278, 81830), (334, 68110), (490, 46426), (556, 40915), (668, 34055), (695, 32732), (835, 27244), (973, 23380), (980, 23213), (1169, 19460), (1390, 16366), (1670, 13622), (1946, 11690), (2338, 9730), (2780, 8183), (3340, 6811), (3892, 5845), (4676, 4865)]