79971800

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 194652720

約数和(自身を除く): 114680920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 101, 107, 148, 185, 200, 202, 214, 296, 370, 404, 428, 505, 535, 740, 808, 856, 925, 1010, 1070, 1480, 1850, 2020, 2140, 2525, 2675, 3700, 3737, 3959, 4040, 4280, 5050, 5350, 7400, 7474, 7918, 10100, 10700, 10807, 14948, 15836, 18685, 19795, 20200, 21400, 21614, 29896, 31672, 37370, 39590, 43228, 54035, 74740, 79180, 86456, 93425, 98975, 108070, 149480, 158360, 186850, 197950, 216140, 270175, 373700, 395900, 399859, 432280, 540350, 747400, 791800, 799718, 1080700, 1599436, 1999295, 2161400, 3198872, 3998590, 7997180, 9996475, 15994360, 19992950, 39985900, 79971800]

約数ペア:

[(1, 79971800), (2, 39985900), (4, 19992950), (5, 15994360), (8, 9996475), (10, 7997180), (20, 3998590), (25, 3198872), (37, 2161400), (40, 1999295), (50, 1599436), (74, 1080700), (100, 799718), (101, 791800), (107, 747400), (148, 540350), (185, 432280), (200, 399859), (202, 395900), (214, 373700), (296, 270175), (370, 216140), (404, 197950), (428, 186850), (505, 158360), (535, 149480), (740, 108070), (808, 98975), (856, 93425), (925, 86456), (1010, 79180), (1070, 74740), (1480, 54035), (1850, 43228), (2020, 39590), (2140, 37370), (2525, 31672), (2675, 29896), (3700, 21614), (3737, 21400), (3959, 20200), (4040, 19795), (4280, 18685), (5050, 15836), (5350, 14948), (7400, 10807), (7474, 10700), (7918, 10100)]