79375240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1439}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 205286400

約数和(自身を除く): 125911160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1439, 1576, 1970, 2758, 2878, 3940, 5516, 5756, 6895, 7195, 7880, 10073, 11032, 11512, 13790, 14390, 20146, 27580, 28780, 40292, 50365, 55160, 57560, 80584, 100730, 201460, 283483, 402920, 566966, 1133932, 1417415, 1984381, 2267864, 2834830, 3968762, 5669660, 7937524, 9921905, 11339320, 15875048, 19843810, 39687620, 79375240]

約数ペア:

[(1, 79375240), (2, 39687620), (4, 19843810), (5, 15875048), (7, 11339320), (8, 9921905), (10, 7937524), (14, 5669660), (20, 3968762), (28, 2834830), (35, 2267864), (40, 1984381), (56, 1417415), (70, 1133932), (140, 566966), (197, 402920), (280, 283483), (394, 201460), (788, 100730), (985, 80584), (1379, 57560), (1439, 55160), (1576, 50365), (1970, 40292), (2758, 28780), (2878, 27580), (3940, 20146), (5516, 14390), (5756, 13790), (6895, 11512), (7195, 11032), (7880, 10073)]