208280100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{99181}}^1$

素因数の和:99205

約数の個数: 72

約数和(自身を含む): 688719808

約数和(自身を除く): 480439708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 99181, 198362, 297543, 396724, 495905, 595086, 694267, 991810, 1190172, 1388534, 1487715, 1983620, 2082801, 2479525, 2777068, 2975430, 3471335, 4165602, 4959050, 5950860, 6942670, 7438575, 8331204, 9918100, 10414005, 13885340, 14877150, 17356675, 20828010, 29754300, 34713350, 41656020, 52070025, 69426700, 104140050, 208280100]

約数ペア:

[(1, 208280100), (2, 104140050), (3, 69426700), (4, 52070025), (5, 41656020), (6, 34713350), (7, 29754300), (10, 20828010), (12, 17356675), (14, 14877150), (15, 13885340), (20, 10414005), (21, 9918100), (25, 8331204), (28, 7438575), (30, 6942670), (35, 5950860), (42, 4959050), (50, 4165602), (60, 3471335), (70, 2975430), (75, 2777068), (84, 2479525), (100, 2082801), (105, 1983620), (140, 1487715), (150, 1388534), (175, 1190172), (210, 991810), (300, 694267), (350, 595086), (420, 495905), (525, 396724), (700, 297543), (1050, 198362), (2100, 99181)]