678223580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:699

約数の個数: 96

約数和(自身を含む): 1546352640

約数和(自身を除く): 868129060

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 67, 116, 124, 134, 145, 155, 268, 290, 310, 335, 563, 580, 620, 670, 899, 1126, 1340, 1798, 1943, 2077, 2252, 2815, 3596, 3886, 4154, 4495, 5630, 7772, 8308, 8990, 9715, 10385, 11260, 16327, 17453, 17980, 19430, 20770, 32654, 34906, 37721, 38860, 41540, 60233, 65308, 69812, 75442, 81635, 87265, 120466, 150884, 163270, 174530, 188605, 240932, 301165, 326540, 349060, 377210, 506137, 602330, 754420, 1012274, 1093909, 1169351, 1204660, 2024548, 2187818, 2338702, 2530685, 4375636, 4677404, 5061370, 5469545, 5846755, 10122740, 10939090, 11693510, 21878180, 23387020, 33911179, 67822358, 135644716, 169555895, 339111790, 678223580]

約数ペア:

[(1, 678223580), (2, 339111790), (4, 169555895), (5, 135644716), (10, 67822358), (20, 33911179), (29, 23387020), (31, 21878180), (58, 11693510), (62, 10939090), (67, 10122740), (116, 5846755), (124, 5469545), (134, 5061370), (145, 4677404), (155, 4375636), (268, 2530685), (290, 2338702), (310, 2187818), (335, 2024548), (563, 1204660), (580, 1169351), (620, 1093909), (670, 1012274), (899, 754420), (1126, 602330), (1340, 506137), (1798, 377210), (1943, 349060), (2077, 326540), (2252, 301165), (2815, 240932), (3596, 188605), (3886, 174530), (4154, 163270), (4495, 150884), (5630, 120466), (7772, 87265), (8308, 81635), (8990, 75442), (9715, 69812), (10385, 65308), (11260, 60233), (16327, 41540), (17453, 38860), (17980, 37721), (19430, 34906), (20770, 32654)]