2777320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 7900200

約数和(自身を除く): 5122880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 109, 130, 140, 182, 196, 218, 245, 260, 280, 364, 392, 436, 455, 490, 520, 545, 637, 728, 763, 872, 910, 980, 1090, 1274, 1417, 1526, 1820, 1960, 2180, 2548, 2834, 3052, 3185, 3640, 3815, 4360, 5096, 5341, 5668, 6104, 6370, 7085, 7630, 9919, 10682, 11336, 12740, 14170, 15260, 19838, 21364, 25480, 26705, 28340, 30520, 39676, 42728, 49595, 53410, 56680, 69433, 79352, 99190, 106820, 138866, 198380, 213640, 277732, 347165, 396760, 555464, 694330, 1388660, 2777320]

約数ペア:

[(1, 2777320), (2, 1388660), (4, 694330), (5, 555464), (7, 396760), (8, 347165), (10, 277732), (13, 213640), (14, 198380), (20, 138866), (26, 106820), (28, 99190), (35, 79352), (40, 69433), (49, 56680), (52, 53410), (56, 49595), (65, 42728), (70, 39676), (91, 30520), (98, 28340), (104, 26705), (109, 25480), (130, 21364), (140, 19838), (182, 15260), (196, 14170), (218, 12740), (245, 11336), (260, 10682), (280, 9919), (364, 7630), (392, 7085), (436, 6370), (455, 6104), (490, 5668), (520, 5341), (545, 5096), (637, 4360), (728, 3815), (763, 3640), (872, 3185), (910, 3052), (980, 2834), (1090, 2548), (1274, 2180), (1417, 1960), (1526, 1820)]