2001660184

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1\times {\mathrm{389}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 4013100000

約数和(自身を除く): 2011439816

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 349, 388, 389, 698, 776, 778, 1396, 1556, 1843, 2792, 3112, 3686, 6631, 7372, 7391, 13262, 14744, 14782, 26524, 29564, 33853, 37733, 53048, 59128, 67706, 75466, 135412, 135761, 150932, 270824, 271522, 301864, 543044, 643207, 716927, 1086088, 1286414, 1433854, 2572828, 2579459, 2867708, 5145656, 5158918, 5735416, 10317836, 13168817, 20635672, 26337634, 52675268, 105350536, 250207523, 500415046, 1000830092, 2001660184]

約数ペア:

[(1, 2001660184), (2, 1000830092), (4, 500415046), (8, 250207523), (19, 105350536), (38, 52675268), (76, 26337634), (97, 20635672), (152, 13168817), (194, 10317836), (349, 5735416), (388, 5158918), (389, 5145656), (698, 2867708), (776, 2579459), (778, 2572828), (1396, 1433854), (1556, 1286414), (1843, 1086088), (2792, 716927), (3112, 643207), (3686, 543044), (6631, 301864), (7372, 271522), (7391, 270824), (13262, 150932), (14744, 135761), (14782, 135412), (26524, 75466), (29564, 67706), (33853, 59128), (37733, 53048)]