499664100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{128119}}^1$

素因数の和:128149

約数の個数: 72

約数和(自身を含む): 1556914240

約数和(自身を除く): 1057250140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 128119, 256238, 384357, 512476, 640595, 768714, 1281190, 1537428, 1665547, 1921785, 2562380, 3202975, 3331094, 3843570, 4996641, 6405950, 6662188, 7687140, 8327735, 9608925, 9993282, 12811900, 16655470, 19217850, 19986564, 24983205, 33310940, 38435700, 41638675, 49966410, 83277350, 99932820, 124916025, 166554700, 249832050, 499664100]

約数ペア:

[(1, 499664100), (2, 249832050), (3, 166554700), (4, 124916025), (5, 99932820), (6, 83277350), (10, 49966410), (12, 41638675), (13, 38435700), (15, 33310940), (20, 24983205), (25, 19986564), (26, 19217850), (30, 16655470), (39, 12811900), (50, 9993282), (52, 9608925), (60, 8327735), (65, 7687140), (75, 6662188), (78, 6405950), (100, 4996641), (130, 3843570), (150, 3331094), (156, 3202975), (195, 2562380), (260, 1921785), (300, 1665547), (325, 1537428), (390, 1281190), (650, 768714), (780, 640595), (975, 512476), (1300, 384357), (1950, 256238), (3900, 128119)]