138105520

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{719}}^1$

素因数の和:760

約数の個数: 100

約数和(自身を含む): 375109920

約数和(自身を除く): 237004400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 719, 784, 980, 1372, 1438, 1715, 1960, 2401, 2744, 2876, 3430, 3595, 3920, 4802, 5033, 5488, 5752, 6860, 7190, 9604, 10066, 11504, 12005, 13720, 14380, 19208, 20132, 24010, 25165, 27440, 28760, 35231, 38416, 40264, 48020, 50330, 57520, 70462, 80528, 96040, 100660, 140924, 176155, 192080, 201320, 246617, 281848, 352310, 402640, 493234, 563696, 704620, 986468, 1233085, 1409240, 1726319, 1972936, 2466170, 2818480, 3452638, 3945872, 4932340, 6905276, 8631595, 9864680, 13810552, 17263190, 19729360, 27621104, 34526380, 69052760, 138105520]

約数ペア:

[(1, 138105520), (2, 69052760), (4, 34526380), (5, 27621104), (7, 19729360), (8, 17263190), (10, 13810552), (14, 9864680), (16, 8631595), (20, 6905276), (28, 4932340), (35, 3945872), (40, 3452638), (49, 2818480), (56, 2466170), (70, 1972936), (80, 1726319), (98, 1409240), (112, 1233085), (140, 986468), (196, 704620), (245, 563696), (280, 493234), (343, 402640), (392, 352310), (490, 281848), (560, 246617), (686, 201320), (719, 192080), (784, 176155), (980, 140924), (1372, 100660), (1438, 96040), (1715, 80528), (1960, 70462), (2401, 57520), (2744, 50330), (2876, 48020), (3430, 40264), (3595, 38416), (3920, 35231), (4802, 28760), (5033, 27440), (5488, 25165), (5752, 24010), (6860, 20132), (7190, 19208), (9604, 14380), (10066, 13720), (11504, 12005)]