249720100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{53}}^2\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 108

約数和(自身を含む): 636181504

約数和(自身を除く): 386461404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 53, 70, 100, 106, 127, 140, 175, 212, 254, 265, 350, 371, 508, 530, 635, 700, 742, 889, 1060, 1270, 1325, 1484, 1778, 1855, 2540, 2650, 2809, 3175, 3556, 3710, 4445, 5300, 5618, 6350, 6731, 7420, 8890, 9275, 11236, 12700, 13462, 14045, 17780, 18550, 19663, 22225, 26924, 28090, 33655, 37100, 39326, 44450, 47117, 56180, 67310, 70225, 78652, 88900, 94234, 98315, 134620, 140450, 168275, 188468, 196630, 235585, 280900, 336550, 356743, 393260, 471170, 491575, 673100, 713486, 942340, 983150, 1177925, 1426972, 1783715, 1966300, 2355850, 2497201, 3567430, 4711700, 4994402, 7134860, 8918575, 9988804, 12486005, 17837150, 24972010, 35674300, 49944020, 62430025, 124860050, 249720100]

約数ペア:

[(1, 249720100), (2, 124860050), (4, 62430025), (5, 49944020), (7, 35674300), (10, 24972010), (14, 17837150), (20, 12486005), (25, 9988804), (28, 8918575), (35, 7134860), (50, 4994402), (53, 4711700), (70, 3567430), (100, 2497201), (106, 2355850), (127, 1966300), (140, 1783715), (175, 1426972), (212, 1177925), (254, 983150), (265, 942340), (350, 713486), (371, 673100), (508, 491575), (530, 471170), (635, 393260), (700, 356743), (742, 336550), (889, 280900), (1060, 235585), (1270, 196630), (1325, 188468), (1484, 168275), (1778, 140450), (1855, 134620), (2540, 98315), (2650, 94234), (2809, 88900), (3175, 78652), (3556, 70225), (3710, 67310), (4445, 56180), (5300, 47117), (5618, 44450), (6350, 39326), (6731, 37100), (7420, 33655), (8890, 28090), (9275, 26924), (11236, 22225), (12700, 19663), (13462, 18550), (14045, 17780)]