856799020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{2053}}^1$

素因数の和:2351

約数の個数: 96

約数和(自身を含む): 2252630016

約数和(自身を除く): 1395830996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 271, 308, 385, 542, 770, 1084, 1355, 1540, 1897, 2053, 2710, 2981, 3794, 4106, 5420, 5962, 7588, 8212, 9485, 10265, 11924, 14371, 14905, 18970, 20530, 20867, 22583, 28742, 29810, 37940, 41060, 41734, 45166, 57484, 59620, 71855, 83468, 90332, 104335, 112915, 143710, 158081, 208670, 225830, 287420, 316162, 417340, 451660, 556363, 632324, 790405, 1112726, 1580810, 2225452, 2781815, 3161620, 3894541, 5563630, 6119993, 7789082, 11127260, 12239986, 15578164, 19472705, 24479972, 30599965, 38945410, 42839951, 61199930, 77890820, 85679902, 122399860, 171359804, 214199755, 428399510, 856799020]

約数ペア:

[(1, 856799020), (2, 428399510), (4, 214199755), (5, 171359804), (7, 122399860), (10, 85679902), (11, 77890820), (14, 61199930), (20, 42839951), (22, 38945410), (28, 30599965), (35, 24479972), (44, 19472705), (55, 15578164), (70, 12239986), (77, 11127260), (110, 7789082), (140, 6119993), (154, 5563630), (220, 3894541), (271, 3161620), (308, 2781815), (385, 2225452), (542, 1580810), (770, 1112726), (1084, 790405), (1355, 632324), (1540, 556363), (1897, 451660), (2053, 417340), (2710, 316162), (2981, 287420), (3794, 225830), (4106, 208670), (5420, 158081), (5962, 143710), (7588, 112915), (8212, 104335), (9485, 90332), (10265, 83468), (11924, 71855), (14371, 59620), (14905, 57484), (18970, 45166), (20530, 41734), (20867, 41060), (22583, 37940), (28742, 29810)]