139764920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 330091200

約数和(自身を除く): 190326280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 71, 116, 142, 145, 232, 284, 290, 355, 568, 580, 710, 1160, 1420, 1697, 2059, 2840, 3394, 4118, 6788, 8236, 8485, 10295, 13576, 16472, 16970, 20590, 33940, 41180, 49213, 67880, 82360, 98426, 120487, 196852, 240974, 246065, 393704, 481948, 492130, 602435, 963896, 984260, 1204870, 1968520, 2409740, 3494123, 4819480, 6988246, 13976492, 17470615, 27952984, 34941230, 69882460, 139764920]

約数ペア:

[(1, 139764920), (2, 69882460), (4, 34941230), (5, 27952984), (8, 17470615), (10, 13976492), (20, 6988246), (29, 4819480), (40, 3494123), (58, 2409740), (71, 1968520), (116, 1204870), (142, 984260), (145, 963896), (232, 602435), (284, 492130), (290, 481948), (355, 393704), (568, 246065), (580, 240974), (710, 196852), (1160, 120487), (1420, 98426), (1697, 82360), (2059, 67880), (2840, 49213), (3394, 41180), (4118, 33940), (6788, 20590), (8236, 16970), (8485, 16472), (10295, 13576)]