210840290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 414025344

約数和(自身を除く): 203185054

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 107, 134, 170, 173, 214, 335, 346, 535, 670, 865, 1070, 1139, 1730, 1819, 2278, 2941, 3638, 5695, 5882, 7169, 9095, 11390, 11591, 14338, 14705, 18190, 18511, 23182, 29410, 35845, 37022, 57955, 71690, 92555, 115910, 121873, 185110, 197047, 243746, 314687, 394094, 609365, 629374, 985235, 1218730, 1240237, 1573435, 1970470, 2480474, 3146870, 6201185, 12402370, 21084029, 42168058, 105420145, 210840290]

約数ペア:

[(1, 210840290), (2, 105420145), (5, 42168058), (10, 21084029), (17, 12402370), (34, 6201185), (67, 3146870), (85, 2480474), (107, 1970470), (134, 1573435), (170, 1240237), (173, 1218730), (214, 985235), (335, 629374), (346, 609365), (535, 394094), (670, 314687), (865, 243746), (1070, 197047), (1139, 185110), (1730, 121873), (1819, 115910), (2278, 92555), (2941, 71690), (3638, 57955), (5695, 37022), (5882, 35845), (7169, 29410), (9095, 23182), (11390, 18511), (11591, 18190), (14338, 14705)]