88839940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 218476440

約数和(自身を除く): 129636500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 269, 337, 490, 538, 674, 980, 1076, 1345, 1348, 1685, 1883, 2359, 2690, 3370, 3766, 4718, 5380, 6740, 7532, 9415, 9436, 11795, 13181, 16513, 18830, 23590, 26362, 33026, 37660, 47180, 52724, 65905, 66052, 82565, 90653, 131810, 165130, 181306, 263620, 330260, 362612, 453265, 634571, 906530, 1269142, 1813060, 2538284, 3172855, 4441997, 6345710, 8883994, 12691420, 17767988, 22209985, 44419970, 88839940]

約数ペア:

[(1, 88839940), (2, 44419970), (4, 22209985), (5, 17767988), (7, 12691420), (10, 8883994), (14, 6345710), (20, 4441997), (28, 3172855), (35, 2538284), (49, 1813060), (70, 1269142), (98, 906530), (140, 634571), (196, 453265), (245, 362612), (269, 330260), (337, 263620), (490, 181306), (538, 165130), (674, 131810), (980, 90653), (1076, 82565), (1345, 66052), (1348, 65905), (1685, 52724), (1883, 47180), (2359, 37660), (2690, 33026), (3370, 26362), (3766, 23590), (4718, 18830), (5380, 16513), (6740, 13181), (7532, 11795), (9415, 9436)]