208264860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{31271}}^1$

素因数の和:31323

約数の個数: 72

約数和(自身を含む): 648831456

約数和(自身を除く): 440566596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 31271, 62542, 93813, 125084, 156355, 187626, 281439, 312710, 375252, 469065, 562878, 625420, 938130, 1125756, 1157027, 1407195, 1876260, 2314054, 2814390, 3471081, 4628108, 5628780, 5785135, 6942162, 10413243, 11570270, 13884324, 17355405, 20826486, 23140540, 34710810, 41652972, 52066215, 69421620, 104132430, 208264860]

約数ペア:

[(1, 208264860), (2, 104132430), (3, 69421620), (4, 52066215), (5, 41652972), (6, 34710810), (9, 23140540), (10, 20826486), (12, 17355405), (15, 13884324), (18, 11570270), (20, 10413243), (30, 6942162), (36, 5785135), (37, 5628780), (45, 4628108), (60, 3471081), (74, 2814390), (90, 2314054), (111, 1876260), (148, 1407195), (180, 1157027), (185, 1125756), (222, 938130), (333, 625420), (370, 562878), (444, 469065), (555, 375252), (666, 312710), (740, 281439), (1110, 187626), (1332, 156355), (1665, 125084), (2220, 93813), (3330, 62542), (6660, 31271)]