291235420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{15641}}^1$

素因数の和:15683

約数の個数: 72

約数和(自身を含む): 748938960

約数和(自身を除く): 457703540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 15641, 18620, 31282, 62564, 78205, 109487, 156410, 218974, 297179, 312820, 437948, 547435, 594358, 766409, 1094870, 1188716, 1485895, 1532818, 2080253, 2189740, 2971790, 3065636, 3832045, 4160506, 5943580, 7664090, 8321012, 10401265, 14561771, 15328180, 20802530, 29123542, 41605060, 58247084, 72808855, 145617710, 291235420]

約数ペア:

[(1, 291235420), (2, 145617710), (4, 72808855), (5, 58247084), (7, 41605060), (10, 29123542), (14, 20802530), (19, 15328180), (20, 14561771), (28, 10401265), (35, 8321012), (38, 7664090), (49, 5943580), (70, 4160506), (76, 3832045), (95, 3065636), (98, 2971790), (133, 2189740), (140, 2080253), (190, 1532818), (196, 1485895), (245, 1188716), (266, 1094870), (380, 766409), (490, 594358), (532, 547435), (665, 437948), (931, 312820), (980, 297179), (1330, 218974), (1862, 156410), (2660, 109487), (3724, 78205), (4655, 62564), (9310, 31282), (15641, 18620)]