520035320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 1416960000

約数和(自身を除く): 896924680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 239, 266, 280, 380, 409, 478, 532, 665, 760, 818, 956, 1064, 1195, 1330, 1636, 1673, 1912, 2045, 2390, 2660, 2863, 3272, 3346, 4090, 4541, 4780, 5320, 5726, 6692, 7771, 8180, 8365, 9082, 9560, 11452, 13384, 14315, 15542, 16360, 16730, 18164, 22705, 22904, 28630, 31084, 31787, 33460, 36328, 38855, 45410, 54397, 57260, 62168, 63574, 66920, 77710, 90820, 97751, 108794, 114520, 127148, 155420, 158935, 181640, 195502, 217588, 254296, 271985, 310840, 317870, 391004, 435176, 488755, 543970, 635740, 684257, 782008, 977510, 1087940, 1271480, 1368514, 1857269, 1955020, 2175880, 2737028, 3421285, 3714538, 3910040, 5474056, 6842570, 7429076, 9286345, 13000883, 13685140, 14858152, 18572690, 26001766, 27370280, 37145380, 52003532, 65004415, 74290760, 104007064, 130008830, 260017660, 520035320]

約数ペア:

[(1, 520035320), (2, 260017660), (4, 130008830), (5, 104007064), (7, 74290760), (8, 65004415), (10, 52003532), (14, 37145380), (19, 27370280), (20, 26001766), (28, 18572690), (35, 14858152), (38, 13685140), (40, 13000883), (56, 9286345), (70, 7429076), (76, 6842570), (95, 5474056), (133, 3910040), (140, 3714538), (152, 3421285), (190, 2737028), (239, 2175880), (266, 1955020), (280, 1857269), (380, 1368514), (409, 1271480), (478, 1087940), (532, 977510), (665, 782008), (760, 684257), (818, 635740), (956, 543970), (1064, 488755), (1195, 435176), (1330, 391004), (1636, 317870), (1673, 310840), (1912, 271985), (2045, 254296), (2390, 217588), (2660, 195502), (2863, 181640), (3272, 158935), (3346, 155420), (4090, 127148), (4541, 114520), (4780, 108794), (5320, 97751), (5726, 90820), (6692, 77710), (7771, 66920), (8180, 63574), (8365, 62168), (9082, 57260), (9560, 54397), (11452, 45410), (13384, 38855), (14315, 36328), (15542, 33460), (16360, 31787), (16730, 31084), (18164, 28630), (22705, 22904)]