207917710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20771}}^1$

素因数の和:20809

約数の個数: 64

約数和(自身を含む): 502516224

約数和(自身を除く): 294598514

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 20771, 41542, 103855, 145397, 207710, 228481, 270023, 290794, 456962, 540046, 726985, 1142405, 1350115, 1453970, 1599367, 1890161, 2284810, 2700230, 2970253, 3198734, 3780322, 5940506, 7996835, 9450805, 14851265, 15993670, 18901610, 20791771, 29702530, 41583542, 103958855, 207917710]

約数ペア:

[(1, 207917710), (2, 103958855), (5, 41583542), (7, 29702530), (10, 20791771), (11, 18901610), (13, 15993670), (14, 14851265), (22, 9450805), (26, 7996835), (35, 5940506), (55, 3780322), (65, 3198734), (70, 2970253), (77, 2700230), (91, 2284810), (110, 1890161), (130, 1599367), (143, 1453970), (154, 1350115), (182, 1142405), (286, 726985), (385, 540046), (455, 456962), (715, 290794), (770, 270023), (910, 228481), (1001, 207710), (1430, 145397), (2002, 103855), (5005, 41542), (10010, 20771)]