191921380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 474405120

約数和(自身を除く): 282483740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 89, 140, 146, 178, 211, 292, 356, 365, 422, 445, 511, 623, 730, 844, 890, 1022, 1055, 1246, 1460, 1477, 1780, 2044, 2110, 2492, 2555, 2954, 3115, 4220, 5110, 5908, 6230, 6497, 7385, 10220, 12460, 12994, 14770, 15403, 18779, 25988, 29540, 30806, 32485, 37558, 45479, 61612, 64970, 75116, 77015, 90958, 93895, 107821, 129940, 131453, 154030, 181916, 187790, 215642, 227395, 262906, 308060, 375580, 431284, 454790, 525812, 539105, 657265, 909580, 1078210, 1314530, 1370867, 2156420, 2629060, 2741734, 5483468, 6854335, 9596069, 13708670, 19192138, 27417340, 38384276, 47980345, 95960690, 191921380]

約数ペア:

[(1, 191921380), (2, 95960690), (4, 47980345), (5, 38384276), (7, 27417340), (10, 19192138), (14, 13708670), (20, 9596069), (28, 6854335), (35, 5483468), (70, 2741734), (73, 2629060), (89, 2156420), (140, 1370867), (146, 1314530), (178, 1078210), (211, 909580), (292, 657265), (356, 539105), (365, 525812), (422, 454790), (445, 431284), (511, 375580), (623, 308060), (730, 262906), (844, 227395), (890, 215642), (1022, 187790), (1055, 181916), (1246, 154030), (1460, 131453), (1477, 129940), (1780, 107821), (2044, 93895), (2110, 90958), (2492, 77015), (2555, 75116), (2954, 64970), (3115, 61612), (4220, 45479), (5110, 37558), (5908, 32485), (6230, 30806), (6497, 29540), (7385, 25988), (10220, 18779), (12460, 15403), (12994, 14770)]