289018840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 748077120

約数和(自身を除く): 459058280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 41, 44, 55, 74, 82, 88, 110, 148, 164, 185, 205, 220, 296, 328, 370, 407, 410, 433, 440, 451, 740, 814, 820, 866, 902, 1480, 1517, 1628, 1640, 1732, 1804, 2035, 2165, 2255, 3034, 3256, 3464, 3608, 4070, 4330, 4510, 4763, 6068, 7585, 8140, 8660, 9020, 9526, 12136, 15170, 16021, 16280, 16687, 17320, 17753, 18040, 19052, 23815, 30340, 32042, 33374, 35506, 38104, 47630, 60680, 64084, 66748, 71012, 80105, 83435, 88765, 95260, 128168, 133496, 142024, 160210, 166870, 176231, 177530, 190520, 195283, 320420, 333740, 352462, 355060, 390566, 640840, 656861, 667480, 704924, 710120, 781132, 881155, 976415, 1313722, 1409848, 1562264, 1762310, 1952830, 2627444, 3284305, 3524620, 3905660, 5254888, 6568610, 7049240, 7225471, 7811320, 13137220, 14450942, 26274440, 28901884, 36127355, 57803768, 72254710, 144509420, 289018840]

約数ペア:

[(1, 289018840), (2, 144509420), (4, 72254710), (5, 57803768), (8, 36127355), (10, 28901884), (11, 26274440), (20, 14450942), (22, 13137220), (37, 7811320), (40, 7225471), (41, 7049240), (44, 6568610), (55, 5254888), (74, 3905660), (82, 3524620), (88, 3284305), (110, 2627444), (148, 1952830), (164, 1762310), (185, 1562264), (205, 1409848), (220, 1313722), (296, 976415), (328, 881155), (370, 781132), (407, 710120), (410, 704924), (433, 667480), (440, 656861), (451, 640840), (740, 390566), (814, 355060), (820, 352462), (866, 333740), (902, 320420), (1480, 195283), (1517, 190520), (1628, 177530), (1640, 176231), (1732, 166870), (1804, 160210), (2035, 142024), (2165, 133496), (2255, 128168), (3034, 95260), (3256, 88765), (3464, 83435), (3608, 80105), (4070, 71012), (4330, 66748), (4510, 64084), (4763, 60680), (6068, 47630), (7585, 38104), (8140, 35506), (8660, 33374), (9020, 32042), (9526, 30340), (12136, 23815), (15170, 19052), (16021, 18040), (16280, 17753), (16687, 17320)]