788347840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{997}}^1$

素因数の和:1374

約数の個数: 112

約数和(自身を含む): 2153668032

約数和(自身を除く): 1365320192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 353, 448, 560, 706, 997, 1120, 1412, 1765, 1994, 2240, 2471, 2824, 3530, 3988, 4942, 4985, 5648, 6979, 7060, 7976, 9884, 9970, 11296, 12355, 13958, 14120, 15952, 19768, 19940, 22592, 24710, 27916, 28240, 31904, 34895, 39536, 39880, 49420, 55832, 56480, 63808, 69790, 79072, 79760, 98840, 111664, 112960, 139580, 158144, 159520, 197680, 223328, 279160, 319040, 351941, 395360, 446656, 558320, 703882, 790720, 1116640, 1407764, 1759705, 2233280, 2463587, 2815528, 3519410, 4927174, 5631056, 7038820, 9854348, 11262112, 12317935, 14077640, 19708696, 22524224, 24635870, 28155280, 39417392, 49271740, 56310560, 78834784, 98543480, 112621120, 157669568, 197086960, 394173920, 788347840]

約数ペア:

[(1, 788347840), (2, 394173920), (4, 197086960), (5, 157669568), (7, 112621120), (8, 98543480), (10, 78834784), (14, 56310560), (16, 49271740), (20, 39417392), (28, 28155280), (32, 24635870), (35, 22524224), (40, 19708696), (56, 14077640), (64, 12317935), (70, 11262112), (80, 9854348), (112, 7038820), (140, 5631056), (160, 4927174), (224, 3519410), (280, 2815528), (320, 2463587), (353, 2233280), (448, 1759705), (560, 1407764), (706, 1116640), (997, 790720), (1120, 703882), (1412, 558320), (1765, 446656), (1994, 395360), (2240, 351941), (2471, 319040), (2824, 279160), (3530, 223328), (3988, 197680), (4942, 159520), (4985, 158144), (5648, 139580), (6979, 112960), (7060, 111664), (7976, 98840), (9884, 79760), (9970, 79072), (11296, 69790), (12355, 63808), (13958, 56480), (14120, 55832), (15952, 49420), (19768, 39880), (19940, 39536), (22592, 34895), (24710, 31904), (27916, 28240)]