15691201300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1291}}^1\times {\mathrm{6397}}^1$

素因数の和:7721

約数の個数: 72

約数和(自身を含む): 35875377440

約数和(自身を除く): 20184176140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1291, 1900, 2582, 5164, 6397, 6455, 12794, 12910, 24529, 25588, 25820, 31985, 32275, 49058, 63970, 64550, 98116, 121543, 122645, 127940, 129100, 159925, 243086, 245290, 319850, 486172, 490580, 607715, 613225, 639700, 1215430, 1226450, 2430860, 2452900, 3038575, 6077150, 8258527, 12154300, 16517054, 33034108, 41292635, 82585270, 156912013, 165170540, 206463175, 313824026, 412926350, 627648052, 784560065, 825852700, 1569120130, 3138240260, 3922800325, 7845600650, 15691201300]

約数ペア:

[(1, 15691201300), (2, 7845600650), (4, 3922800325), (5, 3138240260), (10, 1569120130), (19, 825852700), (20, 784560065), (25, 627648052), (38, 412926350), (50, 313824026), (76, 206463175), (95, 165170540), (100, 156912013), (190, 82585270), (380, 41292635), (475, 33034108), (950, 16517054), (1291, 12154300), (1900, 8258527), (2582, 6077150), (5164, 3038575), (6397, 2452900), (6455, 2430860), (12794, 1226450), (12910, 1215430), (24529, 639700), (25588, 613225), (25820, 607715), (31985, 490580), (32275, 486172), (49058, 319850), (63970, 245290), (64550, 243086), (98116, 159925), (121543, 129100), (122645, 127940)]