284221520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4549}}^1$

素因数の和:4644

約数の個数: 80

約数和(自身を含む): 731203200

約数和(自身を除く): 446981680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 284, 355, 440, 568, 710, 781, 880, 1136, 1420, 1562, 2840, 3124, 3905, 4549, 5680, 6248, 7810, 9098, 12496, 15620, 18196, 22745, 31240, 36392, 45490, 50039, 62480, 72784, 90980, 100078, 181960, 200156, 250195, 322979, 363920, 400312, 500390, 645958, 800624, 1000780, 1291916, 1614895, 2001560, 2583832, 3229790, 3552769, 4003120, 5167664, 6459580, 7105538, 12919160, 14211076, 17763845, 25838320, 28422152, 35527690, 56844304, 71055380, 142110760, 284221520]

約数ペア:

[(1, 284221520), (2, 142110760), (4, 71055380), (5, 56844304), (8, 35527690), (10, 28422152), (11, 25838320), (16, 17763845), (20, 14211076), (22, 12919160), (40, 7105538), (44, 6459580), (55, 5167664), (71, 4003120), (80, 3552769), (88, 3229790), (110, 2583832), (142, 2001560), (176, 1614895), (220, 1291916), (284, 1000780), (355, 800624), (440, 645958), (568, 500390), (710, 400312), (781, 363920), (880, 322979), (1136, 250195), (1420, 200156), (1562, 181960), (2840, 100078), (3124, 90980), (3905, 72784), (4549, 62480), (5680, 50039), (6248, 45490), (7810, 36392), (9098, 31240), (12496, 22745), (15620, 18196)]