138732760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 318689280

約数和(自身を除く): 179956520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 151, 206, 223, 302, 412, 446, 515, 604, 755, 824, 892, 1030, 1115, 1208, 1510, 1784, 2060, 2230, 3020, 4120, 4460, 6040, 8920, 15553, 22969, 31106, 33673, 45938, 62212, 67346, 77765, 91876, 114845, 124424, 134692, 155530, 168365, 183752, 229690, 269384, 311060, 336730, 459380, 622120, 673460, 918760, 1346920, 3468319, 6936638, 13873276, 17341595, 27746552, 34683190, 69366380, 138732760]

約数ペア:

[(1, 138732760), (2, 69366380), (4, 34683190), (5, 27746552), (8, 17341595), (10, 13873276), (20, 6936638), (40, 3468319), (103, 1346920), (151, 918760), (206, 673460), (223, 622120), (302, 459380), (412, 336730), (446, 311060), (515, 269384), (604, 229690), (755, 183752), (824, 168365), (892, 155530), (1030, 134692), (1115, 124424), (1208, 114845), (1510, 91876), (1784, 77765), (2060, 67346), (2230, 62212), (3020, 45938), (4120, 33673), (4460, 31106), (6040, 22969), (8920, 15553)]