289061480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{4099}}^1$

素因数の和:4194

約数の個数: 64

約数和(自身を含む): 681912000

約数和(自身を除く): 392850520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3526, 4099, 7052, 8198, 8815, 14104, 16396, 17630, 20495, 32792, 35260, 40990, 70520, 81980, 163960, 168059, 176257, 336118, 352514, 672236, 705028, 840295, 881285, 1344472, 1410056, 1680590, 1762570, 3361180, 3525140, 6722360, 7050280, 7226537, 14453074, 28906148, 36132685, 57812296, 72265370, 144530740, 289061480]

約数ペア:

[(1, 289061480), (2, 144530740), (4, 72265370), (5, 57812296), (8, 36132685), (10, 28906148), (20, 14453074), (40, 7226537), (41, 7050280), (43, 6722360), (82, 3525140), (86, 3361180), (164, 1762570), (172, 1680590), (205, 1410056), (215, 1344472), (328, 881285), (344, 840295), (410, 705028), (430, 672236), (820, 352514), (860, 336118), (1640, 176257), (1720, 168059), (1763, 163960), (3526, 81980), (4099, 70520), (7052, 40990), (8198, 35260), (8815, 32792), (14104, 20495), (16396, 17630)]