89211080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 128

約数和(自身を含む): 247968000

約数和(自身を除く): 158756920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 95, 133, 140, 152, 164, 190, 205, 266, 280, 287, 328, 380, 409, 410, 532, 574, 665, 760, 779, 818, 820, 1064, 1148, 1330, 1435, 1558, 1636, 1640, 2045, 2296, 2660, 2863, 2870, 3116, 3272, 3895, 4090, 5320, 5453, 5726, 5740, 6232, 7771, 7790, 8180, 10906, 11452, 11480, 14315, 15542, 15580, 16360, 16769, 21812, 22904, 27265, 28630, 31084, 31160, 33538, 38855, 43624, 54397, 54530, 57260, 62168, 67076, 77710, 83845, 108794, 109060, 114520, 117383, 134152, 155420, 167690, 217588, 218120, 234766, 271985, 310840, 318611, 335380, 435176, 469532, 543970, 586915, 637222, 670760, 939064, 1087940, 1173830, 1274444, 1593055, 2175880, 2230277, 2347660, 2548888, 3186110, 4460554, 4695320, 6372220, 8921108, 11151385, 12744440, 17842216, 22302770, 44605540, 89211080]

約数ペア:

[(1, 89211080), (2, 44605540), (4, 22302770), (5, 17842216), (7, 12744440), (8, 11151385), (10, 8921108), (14, 6372220), (19, 4695320), (20, 4460554), (28, 3186110), (35, 2548888), (38, 2347660), (40, 2230277), (41, 2175880), (56, 1593055), (70, 1274444), (76, 1173830), (82, 1087940), (95, 939064), (133, 670760), (140, 637222), (152, 586915), (164, 543970), (190, 469532), (205, 435176), (266, 335380), (280, 318611), (287, 310840), (328, 271985), (380, 234766), (409, 218120), (410, 217588), (532, 167690), (574, 155420), (665, 134152), (760, 117383), (779, 114520), (818, 109060), (820, 108794), (1064, 83845), (1148, 77710), (1330, 67076), (1435, 62168), (1558, 57260), (1636, 54530), (1640, 54397), (2045, 43624), (2296, 38855), (2660, 33538), (2863, 31160), (2870, 31084), (3116, 28630), (3272, 27265), (3895, 22904), (4090, 21812), (5320, 16769), (5453, 16360), (5726, 15580), (5740, 15542), (6232, 14315), (7771, 11480), (7790, 11452), (8180, 10906)]